A Pool,Party,Kids and Usher! What do they have in Common?

Usher with sons Usher V and Naviyd

Jon Kopaloff/FilmMagic

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• What a sweet dad! Usher and his sons Usher V and Naviydtook a sunny vacation at Acqualina Resort & Spa in Miami Beach. The singer was spotted working out at the hotel's gym and also clocked time with his boys in an oceanfront pool. "They were so cute – all playing in the pool," an onlooker tells us. "It was adorable." 

• Naomi Watts and Liev Schreiber, nabbing his-and-her pairs of Warby Parker sunglasses at the Shark Attack Sounds Party at Rick's Crabby Cowboy Café in Montauk, N.Y., co-hosted by Watts's photographer brother,Ben. Also partying at the beach blowout: Victoria's Secret modelAlessandra Ambrosio and her boyfriend Jamie Mazur. 

• In town for Paris Fashion Week, fashionista (and Super 8 star) Elle Fanning snuck in a hug with designer Karl Lagerfeld after the Chanel show, which didn't even begin until after 10 p.m. Also catching the runway show: Joshua Jackson, who gallantly held an umbrella over girlfriend Diane Kruger's head as she ventured inside. 

• Newlyweds Dave Annable and Odette Yustman were spotted with a group of friends at the Diesel store on Melrose Avenue in L.A., talking about their camping excursion at Big Bear over the recent holiday weekend. Says an onlooker: "It's easy to tell they are both really in love!"