11/05/2010 at 04:00 PM EDT
On a break from filming Transformers 3, Shia LaBeouf
was spotted backstage with at Drake
's L.A. tour stop at the Gibson Amphitheatre. LaBeouf was low-key, quietly sipping a cocktail with a pal. Also there: Diddy
and Jamie Foxx
, who brought his teenage daughter and her friends, who excitedly jumped around after meeting Drake on his tour bus.
With their Twilight costars in Brazil, Kellan Lutz
and Ashley Greene
were celebrating a pal's birthday at Boudoir
in L.A. The newly single Lutz
enjoyed an upbeat night with Greene and his pals. "They were laughing and chatting," an onlooker says of the Twilight
stars. They were also dancing as DJ Mister Mike played '90s music.
Newlywed David Schwimmer
dined out at West Hollywood's Chateau Marmont
, sans new wife Zoe
. The actor met an older male friend, and the two enjoyed their meal in a corner of the back patio, where they appeared to be talking business. Also there: Marion Cotillard
, who shared a leisurely dinner – more than three hours! – outside with her friends.
, taking in the season finale of Eastbound and Down
with a party at Levi's Photo Workshop in New York. Inside, the musician admired the Richard Kern photo exhibition – large-scale portraits of the cast – while guests could mingle, enjoy batting cages and beer.
winner Vienna Girardi,
getting her sweet fix at the Sugar Factory inside Las Vegas's Planet Hollywood Resort & Casino. The reality star sampled lots of treats, including the signature couture pops, before heading out.
By JENNIFER GARCIA, JESSICA HERNDON, MELISSA LIEBLING-GOLDBERG and JESSICA WEDEMEYER