Ashton Kutcher and Mila Kunis Do Dinner and More Celebrity News

The new couple went to dinner as the romance speculation continues. Also, Ricki Lake is ready to shed some weight

What a busy week for celebrities. While the news of Kristen Stewart's affair has rocked the papers and weeklies, celebrities are just going about their business, wining, dining, and partying. Ashton Kutcher and Mila Kunis, an "are they or aren't they" couple, had dinner together, while Justin Bieber took Selena Gomez out for a night on the town for her big 2-0. 

Restaurant Buzz

• Ashton Kutcher and Mila Kunis had a romantic dinner date at Duplex in West Hollywood, Calif. [Celebuzz]

Nicole Scherzinger headed to Pink Taco in Los Angeles. [Celebuzz]

Zac Efron, Cheryl Burke, and friends sipped on cocktails as they partied at Bootsy Bellows in West Hollywood, Calif. [People]

• Newly engaged couple Emily Maynard and Jef Holm of The Bachelorette celebrated Jef's birthday at New York City's Abe & Arthur's. [Celebuzz]

Chloë Sevigny had dinner at Mr. Chow in Beverly Hills, Calif. [Celebuzz]

• A very pregnant Reese Witherspoon and her girlfriends had a ladies lunch at Bouchon in Beverly  Hills, Calif. [Us]

Selena Gomez grabbed lunch at Yamamoto in Encino, Calif. Gomez and celebrated her 20th birthday with boyfriend Justin Bieber at Il Cielo restaurant in Beverly Hills, Calif. [Hollywood LifeHollywood Life]

Boardwalk Empire's Vincent Piazza, girlfriend Ashlee Simpson, and her son Bronx, headed to Dos Caminos in New York City for lunch. [Us]

Seen & Heard

Ricki Lake is determined to lose 10 pounds before the debut of her new talk show. [People]

Ali Larter picked up groceries at Bristol Farms Market in West Hollywood, Calif. [Celebuzz]

Elizabeth Olsen strolls the New York City streets after picking up groceries at Eataly. [Celebuzz]

Emmy Rossum grabbed a vanilla ice cream cone with rainbow sprinkles in Los Angeles. [Us]