01of 16Swinging StarDenise Truscello/WireImageFergieand husbandJosh Duhamelcelebrated her 36th birthday with dinner before she hit The Bank Nightclub at Las Vegas’s Bellagio, where fans sang “Happy Birthday” and she sang the Black Eyed Peas' “Imma Bee” – for starters.

01of 16

Swinging Star

Denise Truscello/WireImage

Swinging Star

Fergieand husbandJosh Duhamelcelebrated her 36th birthday with dinner before she hit The Bank Nightclub at Las Vegas’s Bellagio, where fans sang “Happy Birthday” and she sang the Black Eyed Peas' “Imma Bee” – for starters.

02of 16CALIFORNIA GURLFlynetLooks like theGossip Girlgang is taking a jaunt out West! A beamingBlake Livelyreturns to her native La-La land to film sun-drenched scenes for the CW drama on Thursday.

02of 16

CALIFORNIA GURL

Flynet

CALIFORNIA GURL

Looks like theGossip Girlgang is taking a jaunt out West! A beamingBlake Livelyreturns to her native La-La land to film sun-drenched scenes for the CW drama on Thursday.

03of 16STAR HOMECOMINGFrank Micelotta/Fox/PictureGroupIt’s a trip down memory lane forJennifer Hudson, who returns to theAmerican Idolstage for a performance on Thursday night’selimination showin Los Angeles.

03of 16

STAR HOMECOMING

Frank Micelotta/Fox/PictureGroup

STAR HOMECOMING

It’s a trip down memory lane forJennifer Hudson, who returns to theAmerican Idolstage for a performance on Thursday night’selimination showin Los Angeles.

04of 16EARLY RISERDoug Meszler/Splash News OnlineBradley Coopermakes a dashing exit after an appearance on theTodayshow in New York’s Rockefeller Center on Thursday.

04of 16

EARLY RISER

Doug Meszler/Splash News Online

EARLY RISER

Bradley Coopermakes a dashing exit after an appearance on theTodayshow in New York’s Rockefeller Center on Thursday.

05of 16DRESS UPKevan Brooks/AdMediaModern dayMaterial GirlKelly Osbourne plays mix and match in a dotted tube top, on-trend floral mini and cropped denim at the launch of theMadonna-helmed fashion line at the Macy’s in Beverly Hills on Thursday.

05of 16

DRESS UP

Kevan Brooks/AdMedia

DRESS UP

Modern dayMaterial GirlKelly Osbourne plays mix and match in a dotted tube top, on-trend floral mini and cropped denim at the launch of theMadonna-helmed fashion line at the Macy’s in Beverly Hills on Thursday.

06of 16

SHADES OF GRAY

Norman Scott/Startraks

SHADES OF GRAY

07of 16ALL IN THE FAMILYBruce Glikas/FilmMagicProud parentsBruce WillisandDemi Moorereunite to support daughterRumer’sdebut in the Broadway production ofLove, Loss and What I Worein New York City on Thursday.

07of 16

ALL IN THE FAMILY

Bruce Glikas/FilmMagic

ALL IN THE FAMILY

Proud parentsBruce WillisandDemi Moorereunite to support daughterRumer’sdebut in the Broadway production ofLove, Loss and What I Worein New York City on Thursday.

08of 16ANIMAL INSTINCTSRameyWho’s hungry? A formal Alec Baldwin plays nice with a local law enforcement equine – and offers a healthy snack! – while shooting a commercial Thursday in New York City.

08of 16

ANIMAL INSTINCTS

Ramey

ANIMAL INSTINCTS

Who’s hungry? A formal Alec Baldwin plays nice with a local law enforcement equine – and offers a healthy snack! – while shooting a commercial Thursday in New York City.

09of 16ALL IN STRIDEX17AfterhangingwithSandra Bullockin New York,Renée Zellwegerreturns home to L.A. Thursday, where thenewly singlestar stepped out with a smile.

09of 16

ALL IN STRIDE

X17

ALL IN STRIDE

AfterhangingwithSandra Bullockin New York,Renée Zellwegerreturns home to L.A. Thursday, where thenewly singlestar stepped out with a smile.

10of 16

GEE WHIZ!

PPNY/GSNY/Splash News Online

GEE WHIZ!

11of 16FAN- DEMONIUMBarcroft/FameHe’s a crowd pleaser!Hugh Jackmangets a fan-frenzied reception Thursday at Mumbai International Airport in India, where he’s set to speak about the film industry at the FICCI Frames conference.

11of 16

FAN- DEMONIUM

Barcroft/Fame

FAN- DEMONIUM

He’s a crowd pleaser!Hugh Jackmangets a fan-frenzied reception Thursday at Mumbai International Airport in India, where he’s set to speak about the film industry at the FICCI Frames conference.

12of 16SWING SHIFTNICE/AKMWhee! AnexpectantJessica Albahelps 2-year-old daughter Honor catch some air Thursday during a mommy-and-me playdate at Beverly Hills’s Coldwater Park.

12of 16

SWING SHIFT

NICE/AKM

SWING SHIFT

Whee! AnexpectantJessica Albahelps 2-year-old daughter Honor catch some air Thursday during a mommy-and-me playdate at Beverly Hills’s Coldwater Park.

13of 16ANIMAL INSTINCTSFlynetBrrr!Mary-Kate Olsenbundles up inanother fur-rociousgetup while braving the Big Apple chill on Thursday.

13of 16

ANIMAL INSTINCTS

Brrr!Mary-Kate Olsenbundles up inanother fur-rociousgetup while braving the Big Apple chill on Thursday.

14of 16FASHION FIXJOhn MacDougal/AFP/Getty"Grenade" singer Bruno Mars channels his inner Rat Pack-er while stylishly arriving for the 2011 ECHO Awards in Berlin on Thursday.

14of 16

FASHION FIX

JOhn MacDougal/AFP/Getty

FASHION FIX

“Grenade” singer Bruno Mars channels his inner Rat Pack-er while stylishly arriving for the 2011 ECHO Awards in Berlin on Thursday.

15of 16PEEK-A-BUMPFlynetThough she’s not due until later this year,mom-to-beAlicia Silverstone flaunts her belly as she heads into a yoga class Thursday in West Hollywood.

15of 16

PEEK-A-BUMP

PEEK-A-BUMP

Though she’s not due until later this year,mom-to-beAlicia Silverstone flaunts her belly as she heads into a yoga class Thursday in West Hollywood.

16of 16PLANET GAGAX17Lady Gagagives Las Vegas party-goers the surprise of a lifetime on Thursday, delighting revelers at Krave nightclub in Planet Hollywood with an impromptu performance.

16of 16

PLANET GAGA

PLANET GAGA

Lady Gagagives Las Vegas party-goers the surprise of a lifetime on Thursday, delighting revelers at Krave nightclub in Planet Hollywood with an impromptu performance.

source: people.com