04/05/2010 at 03:00 PM EDT
was in an upbeat mood while
serving herself a large cup of coffee-flavored frozen yogurt at Menchie's in
Calabasas, Calif. The pop star, who was with two guy friends, originally
served herself a different flavor but changed her mind, so she went back to
the machine to get her coffee fro-yo fix. Not one to waste anything, Spears
passed the first cup to one of her guy pals to enjoy.
and Demi Lovato
could "barely keep their hands off each other" while
brunching at the Four Seasons Hotel in Beverly Hills, an onlooker tells us.
The happy duo was at the hotel for an Easter buffet. One day before, they
went shopping in Hollywood and were later spotted at Erewhon Natural Foods
Market, where they "kept hugging and smooching" while waiting for their
herbal drinks. Says the onlooker: "They were both giggling and seemed very
in love and happy."
enjoyed some mother-daughter
bonding while dining outdoors at Dos Caminos Soho in New York. The actress
laughed with her girls Grier, 3, and Rowan, 6, teaching them table manners as she
enjoyed the tuna ceviche and a chicken quesadilla.
, hosting a tween birthday party
at South Beach's Lucky Strike Lanes. The comedian scored a 91 during her
first bowling game, and the party stretched over two lanes. The group also
enjoyed pizza, chicken bites and more. Says a source: "They had a blast!"
By PERNILLA CEDENHEIM, JENNIFER GARCIA, LINDA MARX and LESLEY MESSERMonday's Couples Watch >