LeAnn Rimes and Eddie CibrianIt's official, after a very controversial start to their relationship LeAnn Rimes and Eddie Cibiran became engaged over the holidays.
Rimes, 28, and Cibrian, 37, were spotted on a Malibu beach on Monday, where she was wearing a new engagement ring.
The platinum sparkler features a 5-carat oval diamond set in rose gold fleur-de-lis connected to the band. The couple designed the ring together with Eddie's childhood friend Brent Polacheck at Polacheck Jewelers.
On Monday afternoon, Rimes thanked fans for their support, writing on Twitter, "Thank you for all your well wishes!! We are extremely excited and look forward to a beautiful future. It's been an incredible last few days, I was shocked!!! We are blessed, our families are so happy and our lives are filled with love."
Lily Allen and Sam Cooper 
It's been a rough year for Lily Allen, but it looks like 2011 will bring much happier times. The singer is engaged to longtime boyfriend, business owner Sam Cooper.
Sam popped the question to Lily on Christmas Day while they were vacationing in Bali.
The engagement news comes on the heels of the heartbreaking news of Allen's miscarriage in the fall. The baby had been due in January.
It was the second time Allen had endured a miscarriage. In January 2008, she went through the same ordeal during her relationship with musician Ed Simons.
Hugh Hefner and Crystal HarrisMr. Playboy is off the market. Hugh Hefner proposed to girlfriend Crystal Harris after his traditional movie night this week.
The couple announced the engagement on Twitter.
"After the movie tonight, Crystal & I exchanged gifts. I gave Crystal a ring. A truly memorable Christmas Eve," Hefner, 84, wrote. "When I gave Crystal the ring, she burst into tears. This is the happiest Christmas weekend in memory."
Later, he clarified, "Yes, the ring I gave Crystal is an engagement ring. I didn't mean to make a mystery out of it. A very merry Christmas to all."
This will be the third marriage for Hefner. In 2009 he filed for divorce from his second wife, former Playmate Kimberly Conrad, after the two separated in 1998. He was previously married to Mildred Williams; their marriage ended in divorced in 1959.
Harris was December 2009's Playboy Playmate.