Monday

Couples Watch: Rihanna Goes Wild for Her Homerun Beau

Monday April 19, 2010 06:00 AM EDT

Rihanna and Matt Kemp

London Entertainment/Splash News Online

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• Rihanna had her hands in the air – and plenty of friends with her – to cheer on boyfriend Matt Kemp during the L.A. Dodgers' opening day at Dodger Stadium. The singer, sporting a team hoodie, arrived in a party bus an hour before game time, then took her VIP seat in the Dugout Club before Kemp received the Silver Slugger and Gold Glove awards. And when Kemp hit a homerun – woot! – Rihanna was dancing like his biggest fan.

• Joe Jonas and girlfriend Demi Lovato made "such a cute couple" while hanging at the Beachcomber at the Malibu Pier, a spy tells us. The two were there as Nick Jonas worked on reshoots for his new music video at nearby Surfrider Beach, and the threesome took a timeout to grab a bite. The boys indulged in burgers while Lovato ordered a Mahi Mahi sandwich.

• Vince Vaughn and wife Kyla Weber enjoyed a couples' getaway at Las Vegas's Hard Rock Hotel & Casino. Joined by some friends, the duo dined at Nobu after Vaughn clocked some solo time at the blackjack tables. The next day, the two hung out in a private cabana with their friends, sipping cocktails and relaxing before finishing the evening with a meal in the private dining room at Rare 120.

• How sweet – literally! Angie Harmon took her daughters to Crumbs Bake Shop in Calabasas, Calif., to pick out cupcakes for dad Jason Sehorn's birthday. Harmon was a patient mom, letting her girls pick out their own flavors to bring home as a surprise.

• By MARK GRAY, JESSICA HERNDON and LISA INGRASSIA

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