Mila Kunis, chatting with a young girl during a nail appointment at Nail Garden salon in Studio City, Calif. And the actress was doting on her young sidekick: "At one point, Mila was teaching her how to tie her shoes – and they were both laughing," an onlooker tells us. "It was really sweet."

Newly single Vanessa Hudgens treated her mom to a spa day at Nail Garden in Studio City, Calif. The pair indulged in mani/pedis, warm towel wraps and salt sea scrubs while chatting away. "They were really laid back," an onlooker tells PEOPLE. "It looked like they were having a quiet, relaxing mother-daughter afternoon."

Ashley Tisdale, enjoying some pampering with her mom and a girlfriend at the Nail Garden in Studio City, Calif. All three opted for an elaborate Minx nail job and the trio made an entire afternoon of it. "They were there for hours," a source says. "They were laughing up a storm."

Taking a break from the ballroom, Audrina Patridge treated herself to a mani-pedi at Nail Garden in Studio City, Calif. The Dancing with the Stars competitor passed Mila Kunis in the salon, and the two smiled at each other.

Hours before her big announcement and proposal, Bachelorette-no-longer Ali Fedotowsky pampered herself with a nail appointment. The reality star came into Nail Garden in Burbank, Calif., with one of the show's female producers and got a mani-pedi combo. According to an onlooker, she seemed "very happy and giddy" as she got her French manicure and talked all about the evening's finale.