On Sunday Pete Wentz and girlfriend Meagan Camper were snapped at the Farmers Market in Studio City, and while Bronx had some fun on the slide, Pete and Meagan grabbed him a shaved ice.

Mom Ashlee Simpson is in Florida with her sister Jessica to promote their clothing line, so it looks like Meagan and Pete will have plenty of time to bond with his adorable little boy. But will Ash make it back in time for Bronx's fourth birthday tomorrow?

And speaking of Ashlee, Radar reports that her father Joe is trying to manage her career after Jessica decided she doesn’t want to be represented by him anymore. A source tells the site, “It’s no secret that Joe favored Jessica over Ashlee when they were growing up. Jessica was always the more famous and most successful of the two, and made the most money for the family. So, for years Joe made sure Jessica got his full attention and Ashlee basically took the back seat and had to rely on mom Tina Simpson for support. But, now, Joe is doubling down career wise on Ashlee. Ashlee is Joe’s main source of potential income right now as Jessica doesn’t want him to manage her, and he is pushing her hard.”

Hmm, think that's true?

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We still can't believe Rihanna and a jet full of fans and reporters are visting 7 countries in 7 days, but she's almost done with her 777 tour!

After stops in Mexico City, Toronto, Stockholm, Paris and Berlin, the 24-year-old R&B landed in London, and earlier today, RiRi tweeted, "Uk navy! I'm turning on the Christmas tree lights at Westfield Stratford City in London, be there at 4pm! ... Ready for #London at The Forum tonight! #RiverIsland #HTC #Budweiser #6thStop #777Tour #UNAPOLOGETIC."

Rihanna's seventh and final stop? She'll be in New York City on Tuesday evening!

Britney Spears is back, ya'll!

This time the mommy of two has teamed up with Will.i.am for the heavily-produced single, "Scream and Shout."

While debuting the song on Ryan Seacrest's KIIS-FM, Brit told the radio host:

"I can't sit down. I have to dance. I wanna dance. I felt like I'm at the club. I generally have a good time [working with will.i.am.]"

The video debuts this Thursday during the X Factor. As for the single, it will be featured on Will.i.am's upcoming album Willpower due out on December 7.

So that's the secret!

Kristin Cavallari stopped by Organic Earth Bar in West Hollywood yesterday, and the new mom looks more skinny than before she got pregnant!

We now know, though, how she got in such amazing shape so soon after giving birth to son Camden. The reality star grabbed a green juice, and clearly all those antioxidants are helping her slim down!

The engaged 25-year-old must be in town working on her upcoming line with Chinese Laundry. The blonde beauty is developing her own range of stilettos, boots, and sandals that are set to debut in stores next month.

Little Cam must be proud of his mommy!

We know mud is great for the body, but in this case it's good for our eyes, too!

George Clooney's ladylove, Stacy Keibler, covered her bod in salt minerals while visiting the Dead Sea.

Keibler, 33, Tweeted, "Love that I got to take a dip in the Dead Sea before I left."

This former wrestler still has her killer body! We'd bodyslam her any day.

Kourtney Kardashian looked gorgeous in a green mini while hard at work in Miami alongside sister Khloe.

The twosome, who have been filming their reality show, obviously can't live without the cameras AND their sexy Louboutins. Loves it!

Hard to believe Kourtney gave birth to her daughter Penelope just a few months ago. Beau and baby daddy Scott Disick is one lucky guy!

Could the stars of this movie be any better looking?!

Jessica Biel and Scarlett Johansson hit the red carpet for the NYC premiere of their new movie Hitchcock last night, and the actresses sure know how to get dressed up for a big occasion!

The new Mrs. Timberlake proudly showed off her wedding ring, but her hubby must have slipped inside past photographers!

Both beauties even donned red lips for their big night!

These two lovebirds are SO back on!

Following the American Music Awards, Justin Bieber and Selena Gomez arrived at Bootsy Bellows in Hollywood .... walking in hand in hand.

We're told the twosome arrived at the 21+ nightclub just after 1:30am and stayed for about an hour.

Biebs, 18, and Selena, 20, then went back to her house. At that point, Ms. Gomez had taken off her shoes and was seen walking in barefoot.

Home sweet home with her AMA-winning beau.