Nathanael Jones/Sam Sharma/Pacific Coast News
08/27/2009 AT 06:00 AM EDT
, dancing onstage as Forever the
Sickest Kids rocked out at the Vans Warped tour at the Home Depot Center in
Carson, Calif. Gomez jammed along to "Whoa Oh! (Me vs. Everyone)" with the
group while her mom and three of her Wizards of Waverly Place
costars looked on. "She was having fun singing," an onlooker says. After the
concert, Gomez retreated backstage to hang out with the guys in the band.
Talk about a good advertisement! Justin Timberlake
sipped his own 901 tequila during a quiet night out at L.A.
nightspot Madame Royale. The pop star hung out on the patio with a couple of
pals, including a party promoter friend. "He was just chilling," an onlooker
says, adding that Timberlake chatted for about an hour before he called it a
and Amber Rose
, causing a
stir at Favela Cubana, a new restaurant in New York's West Village. Fellow
diners couldn't stop staring at Rose, who looked stunning with her buzzed,
blonde do. Some admirers even approached West and his girlfriend for an
autograph or a photo.
and girlfriend Jayde
, shopping together at the Apple store at West Hollywood outdoor
shopping mall The Grove. The Hills
hunk bought a laptop during
, reuniting with her former Freaks & Geeks
costar Busy Phillips
for lunch at Akasha
Restaurant in Culver City, Calif. "They just seemed really happy to see each
other," an onlooker says, "and greeted one another with a huge hug."
By ANDREA DESIMONE and JENNIFER GARCIA Wednesday's Caught in the Act >