Jessica Simpson
The purse-obsessed star's fiancé, Eric Simpson, knew exactly what to get her for her 31st birthday. "Eric made my birthday!!" J.Simp tweeted. "I have never been more surprised in my life! Jackie O who? ;)"
Michael Sheen & Rachel McAdams
Ah, you gotta love cameras on phones. This shot came courtesy of someone who just happened to spot the darling duo "making out/hugging on the subway."
John Legend & Chrissy Teigen
The singer and his supermodel girlfriend show off their new pup Pippa. "Taking off. This day is almost over. Pup is out," the proud mama tweeted.
Gwyneth Paltrow
In a bid to "join the 21st century," the Oscar winner joined Twitter and Facebook, and inaugurated her site with a super cute photo of herself and son Moses. Aww!
Kim Kardashian, Kris Humphries, Nicole Scherzinger & Lewis Hamilton
The newly engaged couple hang out with friends while vactioning in Monaco. Kim K. tweeted this pic of the group as well of another of her and her "twin" Nicole.
Jonah Hill
Awww, we love it when stars share their childhood pics. Check out the Superbad star's snaps—he tweeted, "Embarrassing pics my mom had taken of me as a kid that i can now finally derive humor from on the 21 Jump Street Set."
Gilles Marini
French hunk flashes the thumbs-up after docs patched up his busted arm in Beverly Hills.
Gordon Ramsay
Lily Allen tweeted this pic of the Hell's Kitchen taskmaster giving a lesson to her and some mates at her prenuptial hen party, calling him "brilliant."
Tori Spelling & Dean McDermott
Who is this little Babe in bed with Dean? It's Hank, the newest member of the Spelling-McDermott family. Looks like he's already making himself at home.
Rashida Jones, Gwyneth Paltrow & Kate Hudson
Supermodel Iman snapped this shot of all the glammed-up actresses at her table during the Met Gala.
See all the celebs in our star-studded 2011 Met Costume Institute Gala arrivals gallery!
Britney Spears, Sean & Jayden
She may be a pop superstar, but to these kids, she's simply mom. "Had a great time at the boys' tee ball game yesterday, made the boys mama's homemade sweet tea after!" the singer wrote.
Jordin Sparks
The songstress strikes a sexy pose: "I don't know why but my bathing suit reminds me of fruity pebbles. :)" Yabba dabba doo!
Kelly Osbourne
Look what the Fashion Police host found while doing some spring cleaning! "I just found one of my mum's cancer wigs while organizing her closet," Kel wrote, "it's rediculouse how much we look alike." Agree?
David Beckham
Bieber fever in the house! First, little Romeo suggests naming the new baby Justine Bieber Beckham, then Vic snaps a shot of her soccer stud lounging next to this cardboard cutout. "He took my sunbed!!!!!!" she joked.
Rob Kardashian
After being rushed to the hospital for an emergency appendectomy, the KUWTK star shared, "This is what happens if you don't eat your Wheaties." Word from the wise.
Miley Cyrus
After a year-and-a-half hiatus from social media, the teen queen announced her triumphant return to Twitter, and included this snap to prove it's the real deal.
Demi Moore & Ashton Kutcher
Are Demi and Ash furries now? Nah, they just went to a Purim party in costume. "A couple of 'Kosher' plushy Pigs for Purim!!!" the missus explained.
Hilary Duff
The former Disney star reveals her new 'do: "Wow! Yes! A success! Thank god you guys love it makes me feel so good! Here's one more pic just cause I liked it."
Lala Vazquez
In a shot taken by E!'s own Ben Lyons, Lala enjoys "The Melo Sandwich," named after her husband, New York Knicks' star Carmelo Anthony, at the famous Carnegie Deli.
Lady Gaga
The recently-hatched "Born This Way" singer is rocking a new hairstyle. "Dyed my bangs black. Its my new monsterlook, " she tweeted. "Let the mitosis of the future begin." So how do you feel about this this monsterlook?
Vanessa Hudgens
As this pic proves, the former High School Musical star obviously has a thing for butterflies.
Pink
The mom-to-be proudly tweeted this pic along with a few choice words about the paparazzi.
Britney Spears
The songbird tweeted this snap of her new "Hold it Against Me" video along with the note "Day 2 is a wrap! #HIAM video coming soon...."
Jennifer Lopez
The new American Idol judge snaps a pic with a Gucci billboard featuring her and twins Max and Emme behind her. "Quick pose after lunch...and check the background!" she tweeted.