Walters, Carey, Cannon and dem babies. (Donna Svennevik/ABC)

A mix of the morning’s entertainment headlines...

Mariah Carey and Nick Cannon showed off their adorable twins, Roc and Roe, on “20/20.” The pair also launched, a site devoted to cute images of their children. (ABC)

John Mayer is on “complete vocal rest” for a month following throat surgery, the singer wrote on his blog: “Until then, I’m taking off. Going to travel the country, look and listen.” (John Mayer Tumblr)

Lindsay Lohan and her manager, Lou Taylor, have parted ways. (TMZ)

Lea Michele shared a charming story about the one time Ashton Kutcher flashed her on the set of “New Year’s Eve.” (E!)

Justin Bieber rented out a Canadian movie theater so he and honey Selena Gomez could watch “Reel Steel.” (Winnipeg Free Press)

Loretta Lynn was hospitalized for pneumonia over the weekend. (Washington Post via Associated Press)

Kimberly Stewart told Hello! magazine that baby daddy Benicio del Toro is “very involved” with daughter Delilah. (Hello!)

Blake Lively and Ryan Reynolds were spotted together celebrating the actor’s 35th birthday. (People)

Kim Kardashian has been cast in Tyler Perry’s “The Marriage Counselor.” (Deadline)

A “Saturday Night Live” actor reveals he tried crack, after the jump.

“Saturday Night Live’s” Darrell Hammond opens up about downing bottles of cognac, doing an “obscene amount of cocaine” and trying crack in his new memoir. (NYPost)

Trey Parker and Matt Stone were reportedly investigated by the Church of Scientology. (Village Voice)

Jessica Simpson was photographed walking through LAX with what Radar calls “a very prominent baby bump.” (Radar)

Aisha Tyler will join “The Talk.” (Deadline)