Can't-Miss Celebrity Pics!

Hayden Christensen met up with a buddy in LA on Thursday.

Lena Dunham stopped by The Tonight Show Starring Jimmy Fallon on Thursday.

Kevin Hart and Josh Gad had a giggle fest while promoting their movie The Wedding Ringer on Despierta America in Miami on Thursday.

Anna Kendrick signed autographs at LAX on Thursday.

Ashlee Simpson and Evan Ross stepped out in LA on Thursday.

Emma Roberts was in good spirits while picking up her dry cleaning in LA on Thursday.

Ali Larter's growing baby bump was front and center in LA on Thursday.

Sam Claflin smiled wide at the British Academy Film Awards nominations event in London on Friday.

Heidi Montag and Spencer Pratt attended the Marriage Boot Camp premiere in LA on Thursday.

Chris Hemsworth looked especially handsome at Thursday night's Blackhat premiere in LA.

Kim Kardashian and Kanye West got all dressed up for a Thursday-night dinner in NYC.

Reese Witherspoon was all smiles in LA on Thursday.

Hilary Duff chatted on the phone in LA on Thursday.

Ethan Hawke became part of cemented history at TCL Chinese Theatre in Hollywood on Thursday.

Kendall Jenner was in a Khloé Kardashian and Cara Delevingne sandwich at the LA Lakers vs. LA Clippers game on Wednesday.

Jon Hamm sported a beard at an event for Boyhood in LA on Wednesday.

Fergie gave it her all while performing at the at the LA Lakers vs. LA Clippers showdown on Wednesday.

Ben Affleck and Jennifer Garner kept it casual for their cute Thursday stroll in LA.

Nick Jonas suited up for the The Lincoln Awards: A Concert For Veterans and the Military Family in Washington DC on Wednesday.

Costars Emily Blunt and James Corden enjoyed a chuckle at a screening of Into the Woods in London on Wednesday.

Tina Fey and Ellie Kemper stopped by the TCAs to discuss their upcoming Netflix show, The Unbreakable Kimmy Schmidt, in LA on Wednesday.

Jason Derulo popped up at the iHeartRadio Consumer Electronics Show in Las Vegas on Wednesday.

Molly Sims's baby bump was on display while she promoted her new book, The Everyday Supermodel, at a signing in Ridgewood, NJ, on Wednesday.

Kanye West and Kim Kardashian stayed close at LAX on Wednesday.

Newlyweds Eddie Redmayne and Hannah Bagshawe arrived at LAX on Wednesday.

Tom Hanks showed his support for Matthew Broderick and Martin Short at their performance of It's Only a Play in NYC on Wednesday.

Eva Longoria flashed her smile at the ESPN Films event in LA on Wednesday.

Kaley Cuoco-Sweeting, Kevin Hart, and Josh Gad popped some bubbly at the photocall for their film The Wedding Ringer in LA on Tuesday.

Jessica Chastain was a vision in white at the National Board of Review Gala in NYC on Tuesday night.

On Monday, Emmy Rossum got glammed up for the LA premiere of Shameless.

Zosia Mamet, Lena Dunham, Allison Williams, and Jemima Kirke came together for the NYC premiere of Girls on Monday night.

Julianne Moore was joined by her handsome husband, Bart Freundlich, at the National Board of Review Gala in NYC on Tuesday.

Chris Soules, the latest star of The Bachelor, appeared in LA on Monday.

Kathy Griffin departed from Late Show With David Letterman on Monday night in NYC.

Andy Cohen was all smiles during a snowy Tuesday walk in NYC.

Nicole Kidman opted for all black at the NYC premiere of Paddington on Tuesday.

On Sunday, Julianne Moore sported a little black dress at the Palm Springs Film Festival.

Heidi Montag and Spencer Pratt shared a sweet kiss in NYC on Monday.

Kit Harington suited up for the London premiere of Testament of Youth on Monday.

Marion Cotillard ventured out in NYC on Monday.

Lisa Kudrow headed out in LA for a Sunday night dinner.

Ellie Goulding broke out her bikini on Monday in Miami.

Britney Spears bared her midriff after a dance session in LA on Thursday.