Katy Perry's fans were in for a big surprise on Wednesday night when they attended a screening for the pop star's Paramount documentary, Katy Perry: Part of Me.
Clad in a red floral dress with an open back, the "Wide Awake" singer popped up at the theater inside The Grove in Los Angeles just as the lights went down for the viewing to begin.
Once Perry arrived, she told the crowd, "You guys are all so cute, even all the way to the back," an onlooker tells PEOPLE.
"Little girls rushed the screen as Katy walked around slapping hands and greeting fans," the source says. "She managed to sign some autographs and pose for a few pictures before trying to disperse the massive crowd that had gathered around her."
Perry, who said a few more sweet things to her admirers on the mic, "was all smiles and seemed genuinely excited for her young fans to see the film," the insider says, adding, "The start of the screening was delayed a good 10-15 minutes before Katy sat down in the middle of the screaming crowd for a bit."
– Jennifer Garcia
Los Angeles, CA
to my to do list
Katy Perry seemed to be in quite an upbeat mood on Saturday night when she made her way to Club Robertson's Rasputin night in West Hollywood.
Right across the street from local celebrity favorite spot The Abbey, the "Part of Me" singer didn't go incognito as entered the venue with her purple hair capping off a red dress .
"The DJ announced a little after midnight that she was there," a club-goer tells PEOPLE. "She partied at a booth with a bunch of males who definitely appeared to be just friends. She had some kind of beverage in her hand."
Standing on a banquette at one point, the source says Perry "danced to Britney Spears' s hit '...Baby One More Time.'
"Katy was in a roped-off area, but she was still accessible to her fans," the source adds. "She was posing for photos with people at the club and seemed to be having a great time." That's for sure: that night, the singer quoted Spice Girls on Twitter, writing, "If you wanna be my lover you gotta get with my friends. #fact."
Once it was announced that Perry was on the premises, the source says, "The line got super long and it was really hard for people to get in."
– Patrick Gomez
Katy Perry appears to have found a new guy in the music business. And where else to make their first public appearance together than at a rock festival?
The pop star, 27, was spotted kissing, hugging and swaying to music with Robert Ackroyd, a guitarist for English indie-pop band Florence + the Machine, at the Coachella Valley Music and Arts Festival in Indio, Calif., this weekend.
Perry was all smiles, in a purple outfit with a gold sunburst pattern, matching her newly dyed purple hair, as she danced the night away with Ackroyd, outfitted simply in jeans and a white T-shirt – revealing his heavily tattooed forearms.
Coming straight from a rainy M83 concert at Coachella, Katy Perry arrived at 2 a.m. with six male pals at the Hennessy V.S. Presents Details @ Midnight party.
A seemingly upbeat Perry, who showed off newly dyed purple hair, ran inside the bash to dance and mingle with the crowd. And a source tells us that her late arrival kept the festivities going until 4 a.m. – past the scheduled end time.
And a long night out didn't stop the pop star from having enough energy to hit the party circuit the next day; she made her way during the mid-afternoon to the Lacoste L!ve/HTC Pool Party at a private home in Thermal, Calif.
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