Ricky Martin is getting ready to hit the small screen on Fox's hit show Glee.

The 40-year-old "Livin' La Vida Loca" singer Tweeted the above photo with the cast ... and the following, “First day!!”

Lea Michele also Tweeted about working with the sexy singer. She wrote:

"I’ve known Ricky since I’m 8 years old! He was in Les Mis on Broadway with me in 1996! Crazy huh?!. He’s seriously the sweetest and such a great fit for our show!”

What a love fest! The episode featuring Ricky will be airing on January 31.

Sienna Miller is set to walk down the aisle, and welcome a Baby in 2012!

The Layer Cake star and her boyfriend, Tom Sturridge, are engaged, and expecting their first child this year, according to Life & Style.

Miller and her 26-year-old beau got together shortly after she ended her relationship with Jude Law and the couple moved in together this past summer.

Sturridge popped the question over the holidays in a very lavish way!

Life & Style reports:

"He proposed to Sienna during their romantic trip to Paris after Christmas. He filled their hotel suite at the Ritz with flowers and presented her with a vintage Victorian ring. It was incredibly romantic — she was blown away."

According to US Weekly, Miller's family "had had it with Jude Law and his cheating and all the back and forth." The actress had a tumultuous on-and-off relationship with fellow Brit, Jude Law, before finally calling it quits in February.

Miller's rep refused to confirm the news, saying only: "We don't comment on our client's personal lives at all."

Congrats to the happy pair!

Looks like someone forgot her bra, but remembered her Spanx!

Dressed in head-to-toe black ensemble paired with a classic Chanel bag, Kim Kardashian somehow forgot that her shirt was see-thru, as she headed to a nail salon in Beverly Hills, on Thursday evening.

The reality star recently returned from a quick trip to Texas, where she visited sis Khloe and brother-in-law Lamar Odom at their new home in Dallas. The NBA player was traded from the LA Lakers to the Dallas Mavericks last month, and Kim was spotted checking out a few of Odom's fellow players from her courtside seats this week.

Mavericks, watch out!

After seeing LeAnn Rimes' rockin' bod on the beaches of Cabo San Lucas and Maui, it's no wonder Hugh Hefner has been interested in getting the 29-year-old country hottie to strip down for the iconic magazine.

Hef has not only asked LeAnn once ... but three times!

When asked recently about whether she'd consider going nude for Playboy, LeAnn said:

"They've asked 3 times. My mom would kill me, but it's flattering."

Ironically, LeAnn's hubby Eddie Cibrian recently starred in NBC's now-cancelled series The Playboy Club.

With Lindsay Lohan's issue selling like hotcakes, we have a feeling LeAnn's would be up there with the bestsellers, too.

Don't give up, Hef!

Drew Barrymore/David Khinda

Drew Barrymore is officially engaged!

The Never Been Kissed star has just released a personal engagement photo with new fiancé, art consultant Will Kopelman, which also shows off her beautiful new e-ring!

The classic radiant-cut diamond is approximately 4 carats, and is set on a diamond-covered band, which was exclusively designed by Graff Diamonds, according to People.

The son of the former CEO of Chanel, Arie Kopelman, popped the question over the holidays, while the pair were vacationing in Sun Valley, Idaho.

They look so happy and in love!

Justin loves his Jesus pieces!

Looking casual-cool in a plain black tee, army shorts and a very bling-y Jesus necklace to match his new tattoo, Bieber treated his dad and entourage to some yummy pizza and Mojos at Shakey's restaurant in Sherman Oaks, on Thursday afternoon.

The 17-year-old singer, who just hit 16 million followers/Beliebers on Twitter, first revealed the new tattoo of "The Son of God" on the back of his left his leg while relaxing on the beach with Selena Gomez last month. FYI, he also has "Jesus" written in Hebrew on his rib cage (a matching tat he got with his dad) and a tiny dove on his left hip.

Biebes confessed to the AP last year of his love for Jesus, "I'm a Christian, I believe in God, I believe that Jesus died on a cross for my sins. He's the reason I'm here, so I definitely have to remember that."

That new tattoo will be a permanent reminder!

Armed with a miniature stroller and baby doll, Alyson Hannigan's two-year-old daughter Satyana looked like a proud big sis-in-training, as the pair stepped out in Santa Monica Thursday afternoon.

The How I Met Your Mother star just announced her pregnancy last month, but she's really starting to show, and her little girl is defintely taking notice! Aly Tweeted this week, "This morning my daughter said to me 'Wow Mommy, your tummy is getting BIG!' I'm really glad I'm pregnant & she didn't say butt."

As for the sex of baby No. 2, Hannigan also Tweeted: "All I want for Xmas is to find out the gender of the baby in my belly! ... I really don't have a preference I just want to stop calling it 'it'!!!"

"Hey guys ... like my new look?" Demi Lovato Tweeted on Dec 27. Actually, yeah!

Only the new 'do isn't permanent; the singer/actress posted, 24 hours later, "It's just a wig that I got today!! Hehe ... Don't freak ;)"

Love the Madonna-inspired bustier and crucifix too!