A post shared by Beyoncé (@beyonce) on Sep 1, 2017 at 1:24pm PDT

One of Serena Williams most A-list pals Beyonce Knowles took to Instagram Friday to congratulate her friend on the birth of her baby girl.

Bey posted a shot from a Vogue photo shoot and wrote on the photo "Congratulations, Serena!"

Of course Beyonce just became a second- and third-time mom herself, with the birth of twins Rumi and Sir back in June. And Bey and the Queen of Tennis have a fairly long friendship history -- Serena even took to the stage during Beyonce's October Formation tour date in New Jersey back in October and Williams appears in Bey's "Sorry" music video.

Of course Serena's sis Venus is also issuing her congratulations, but, as one of the leading ladies at the US Open, she's made it clear to sports journalists who info on her sister that she's there to play tennis and to talk tennis and not family life. But she did cave yesterday and said, "I'm super excited ... words can't describe." Well okay, that's something!

Meanwhile Serena and fiance Alex Ohanian have yet to release the name they've chosen for their baby girl ...

Gigi Hadid and boyfriend Zayn Malik celebrated the Muslim holiday of Eid al-Adha this week and showed off their Muslim pride with an Instagram photo shot with their moms. So cute that the families are getting together!

The 22-year-old supermodel posed with her mom, former model Yolanda Foster, and Zayn with his mom Trisha and the snap was posted by both moms and captioned "Eid Mubarak," which means "blessed celebration."

So for those who don't know, Eid al-Adha is the holiest of Muslim holidays and the name means "Feast of the Sacrifice."

It seems neither Gigi nor Zayn are actually practicing Muslims -- Gigi's father is Palestinian and Zayn's father is Pakistani. Yolanda is Dutch and Zayn's mom Trisha is British, but apparently all four of them have great respect for the Muslim religion and recognize its influence on their upbringings.

Zayn told the Evening Standard back in June: "I take a great sense of pride — and responsibility — in knowing that I am the first of my kind, from my background. I’m not currently practicing but I was raised in the Islamic faith, so it will always be with me, and I identify a lot with the culture. But I’m just me. I don’t want to be defined by my religion or my cultural background."

Blac Chyna is anything but a granny, but her latest look is slightly geriatric, we think ... a blue-grey old lady wig?!

Well, the former stripper certainly has her own style and she's not changing for anyone! Chyna hopped a jet Friday for Atlanta to make a Labor Day club appearance at Opium Atlanta's holiday weekend white party. Rake it up!

The makeup mogul has fashioned her false eyelash and cosmetics company after Kylie Jenner and it certainly seems she's copying the younger, richer reality star's social media posts as well. Does this type of Insta-video look familiar?

Loving these Gucci frames from @blinkoptical267

A post shared by Blac Chyna (@blacchyna) on Sep 2, 2017 at 10:13am PDT

Who knew Denise Richards was finally dating again?! The mother-of-three showed off a hot hunk of a new man at the Malibu Chili Cook-off on Friday evening, where the new couple walked hand-in-hand to the fair.

And you know it's true love if her man is carrying a huge stuffed animal carnival prize for her ... But who is he?

The former Bond Girl keeps a low profile raising her two daughters from her marriage to Charlie Sheen - Lola, 11, and Sam, 12 - and her adopted daughter Eloise, who's five and a half. The actress loves Malibu and rented a home near the celeb enclave of Broad Beach last year but she has since moved back to the Valley.

Richards has a new man and a new job -- she's co-staring on Girlfriends' Guide to Divorce on Bravo in which she plays the main character's ex's new girlfriend -- of course! Isn't she just that girl you never wanna see your ex moving on with?

Tennis star Serena Williams and fiance Alexis Ohanian welcomed their first child today, Williams, 35, giving birth to a baby girl in Palm Beach, Florida on Sept. 1.

Williams accidentally announced her pregnancy on Snapchat April 19, when she inadvertently posted a selfie that showed off her baby bump with the caption "20 weeks." Serena told Gayle King at a TED conference in Vancouver days later, "On social media you press the wrong button and … 30 minutes later, I missed 4 calls and I’m like, 'That’s weird."

Then Williams and her Reddit co-founder beau also have plans to tie the knot -- they were engaged last December but have yet to set a wedding date. Congrats to the happy couple!

Okay, we know you can't see much in this blurry pic, but we PROMISE you, that's Blake Griffin driving his Rolls Royce this morning in the parking lot at Starbucks in Malibu and that's Kendall Jenner in the back seat! WTF?!

It appears the two have hit Malibu for the Labor Day weekend holiday -- the literal "hot" spot where many of Hollywood's A-listers hang out for this three-day weekend. The Malibu Chili Cook-off comes to town -- the annual fair -- and celebs are flocking to the beach to cool off from record-breaking LA heat.

We broke the story earlier this month that the two were hanging out at Avenue nightclub in LA after attending the Kendrick Lamar concert on August 8th. We spotted the two ducking out separately, hiding their faces from the cameras as they left the after-party late that night.

Neither the Clippers forward, 28, nor that young model, 21, having commented on rumors of a relationship -- that may be because Griffin was shacked up with his baby mama Brynn Cameron and their two kids, plus her son from a previous relationship with USC footballer Matt Leinart. The (former?) couple share a home in the tony Pacific Palisades neighborhood just down the street from the likes of Conan O'Brien, Adam Sandler, Matt Damon and Jennifer Garner. But things have been quiet on the homefront -- neither Blake's nor Brynn's cars have been coming in and out and while it was assumed they were on summer vacation together with the kids, it appears now they may actually be separated!

So was Kendall the cause of their breakup? Is she a little homewrecker? Uh ... possibly ...

Instagram attorneys are reaching out to celebrities to advise them the social media networking site, owned by Facebook, has had a security breach and that hackers seem to have targeted celebrity accounts. Selena Gomez is the latest in a string of Hollywood A-listers that's now bracing for a potential leak of her personal photos that she may have shared through the app, making the images private, only for exchange with friends and not meant for public consumption.

The hacker has already posted private images of Justin Bieber on Selena's hacked account -- and while the account was immediately taken down and the images removed by Instagram, the damage was done. Fans and haters alike made screen shots of the private images and they've made their way around the internet and now Selena faces the same threat. Wonder what she might have made private on her account that she wouldn't want her 125 million followers to see!

Awww! Scott Disick ditched his famous "wave" hairdo and went a bit shorter just days after his son Mason chopped his famous side-sweep and now they look like father-son twins!

The Lord met up with his kids for lunch in Calabasas on Thursday and he and Mason looked absolutely adorable with their summer 'dos ... which look way lower-maintenance than their previous coifs. Poor Mason used to always have his long hair in his eyes and Scott was probably getting tired of the daily gel/hairdryer routine.

Scott was wearing olive cargo pants with Kanye's Yeezy Calabasas sneakers, while Mason had on some grey sweatshorts and a white tee.

It's been a while since we've seen Scott out with the kids -- he's certainly not as close to Kourtney since she's been dating boyfriend Younes Bendjima. Maybe it's the younger dude's abs scaring off the Lord ...