Katy Perry & Robert Ackroyd: Chateau Marmont Night Out

Katy Perry was in really good spirits while hanging out with her new boyfriend, Robert Ackroyd, guitarist of Florence + the Machine, at the exclusive Chateau Marmont on Monday night (April 23) in West Hollywood, Calif.

An onlooker tells JustJared.com that the couple had dinner with friends in the back area of the hotel’s patio, including her stylist Johnny Wujek, actress Shannon Woodward, and jewelery designer Markus Molinari.

Katy, who wore a cute buttondown shirt and tight jeans, had her arm around Robert for a good portion of the night and looked “really happy with each other.”

When it was time to go, they said a quick goodbye to friends. Says the observer: “They both had smiles on their faces and held hands on the way out.”

Katy and Robert were first spotted holding hands during weekend one of the 2012 Coachella Music Festival and kissing during weekend two!

Also spotted at Chateau the same night: David Beckham walking in and hugging actress pal Michelle Trachtenberg; Riley Keough noshing on paella with filmmaker Juju Sorelli; Lindsay Lohan and sister Aliana walking in around midnight; and Brady Corbet (Melancholia, Martha Marcy May Marlene) sharing a table with Alex Ebert, the frontman for the band Edward Sharpe and the Magnetic Zeros.