A morning mix of entertainment headlines...

Derek Hough, one of the professional dancers on “Dancing With the Stars,” is reportedly dating former “Hills” star Lauren Conrad. Coincidentally, Conrad’s frequent “Hills” romantic rival, Kristen Cavallari, is a competitor on the current season of “Dancing With the Stars.” (New York Daily News)

Elizabeth Hurley, newly affianced. (Chris Jackson/Getty Images)

Why Melissa McCarthy will host “Saturday Night Live” again: The ratings for the episode she hosted on Saturday earned higher ratings than the premiere, featuring Alec Baldwin. Plus, she was willing to chug ranch dressing on live television (see video below). (The Hollywood Reporter)

The death of “Grease” and “Taxi” star Jeff Conaway has been ruled accidental. An autopsy revealed that he died from a major internal infection. (People)

Martha Stewart’s daughter has some lovely things to say about her mom in her new memoir. That and more, after the jump.

Alexis Stewart, daughter of Martha Stewart, has some not-so-nice things to say aout her mom in a new tell-all memoir, “Whateverland: Learning to Live Here.” She says that she grew up with “a glue gun pointed at [her] head,” and that, among other things, her mother would make her wrap her own Christmas presents. (Us)

Just so you know, Evangeline Lilly looked pretty flawless at the “Real Steel” premiere in L.A. And yes, she did just have a baby five months ago. (Daily Mail)

At the Human Rights Campaign dinner Saturday night, President Obama relied on some classic Lady Gaga humor. “I appreciate the chance to join you tonight. I also took a trip out to California last week, where I held some productive bilateral talks with your leader, Lady Gaga ... She was wearing 16-inch heels. She was eight feet tall. It was a little intimidating.” (USA Today)