Good day, sunshine! Kate Bosworth
lounged on a large poolside daybed at the Colony Palms Hotel in Palm Springs, Calif., recently. The actress enjoyed a tuna niçoise sandwich and purple pomegranate granita, and was "extremely sweet to fellow guests and the workers," a witness tells PEOPLE. "She looked very relaxed."
turned heads at the Gansevoort Miami Beach when she stopped into the hotel to sign copies of her new book, Sliding Into Home
. "It was a mob scene, but Kendra was nice to everyone," a source tells PEOPLE. After chatting with fans, the reality starlet swung by STK, where she dined on Lil' Big Mac's sliders.
and model wife Brooklyn Decker
, checking out the Dave Matthews Band concert at New York's Citi Field. The pair – both dressed casually in shorts – lingered near the stage in the general admission section, and sang along to the songs of opening act Zac Brown Band. Though they basically blended in with the crowd, they were happy to pose with fans that asked for photos.
After a hot performance at Sin City's Mandalay Bay Events Center, Rihanna
brought an entourage of 20 friends, musicians and dancers (but no Matt Kemp
) to Surrender Nightclub around 1:30 a.m. The group partied in a private bungalow for nearly two hours, though the songstress stuck to Fiji water and Sprite the whole time.
savored a boys' night out recently at Hollywood hot spot Drai's. Perched at his booth (and donning black-rimmed spectacles), he hit the dance floor – and grabbed a mic! – when the DJ played his hits "Closer" and "Champagne Life." After his impromptu performance, the singer returned to his table, where he hung out with friends and fans until 2:30 a.m.
BY JENNIFER GARCIA, MARK GRAY, JESSICA HERNDON and LINDA MARX