Rihanna, Jessica Alba and Halle Berry: Hottest Star Sightings of the Day (PHOTOS)

Mila & Ashton Kiss!
Mila Kutcher and Ashton Kutcher get cozy at a wrap party.
All together now — Cheers to the freakin’ weekend!

Rihanna kicked off the weekend early, continuing her cruising vacation aboard a luxury liner off the coast of France. With drink in hand and gal pals at her side, the singer sunned in a teeny bikini.

But other celebrities found themselves working on Friday.

In New York City, Keira Knightley strummed a guitar on stage as she filmed Can a Song Save Your Life?, while Mariska Hargitay and Danny Pino chummed around the set of Law and Order: SVU.

Out on the Pacific coast, Matt LeBlanc hit the set of his new flick Lovesick in San Pedro, Calif. while Dark Knight Rises star Juno Temple grinned on set of Truck Shop in Palmdale, Calif.

Some stars were just kidding around: Jessica Alba treated daughter Haven to some jungle-gym fun at NYC’s Riverside Park; Elsa Pataky cradled daughter India on her way to grab grub in Santa Monica; and Justin Bieber spent some one-on-one time with his younger sister, Jazmyn, in Woodland Hills.

Celebuzz has these starry moments and many more in today’s Celeb Snaps.

What’s your favorite shot of the day? Sound off in the comment section below.

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Tags: Celeb Snaps