On Thursday, Michael Grimm, winner of "America's Got Talent"'s $1 million prize, got down on one knee to pop the question to his girlfriend during a taping of "The Ellen DeGeneres Show." The soulful singer, who took a diamond ring out of his back pocket, asked Lucy Zolcerova, his girlfriend of three years, to marry him, and she accepted his request, giving him a big kiss. "She's been there for me," Grimm told Ellen DeGeneres. "Once you find that good woman, you hang on to her..." Read More »

As the criminal investigation into Oksana Grigorieva's domestic abuse charges against Mel Gibson continues, The Hollywood Reporter says two potential witnesses have claimed that Grigorieva's bodyguard threatened their lives after they refused to manufacture evidence for her -- a claim an attorney for the bodyguard denies. The possible witnesses -- Violet Kowal, a Polish porn star who claims she slept with Gibson, and her bodyguard, Nikko Riley -- told police last month that Grigorieva's bodyguard, Kristian Otto Herzog, attempted to run down Riley and verbally threatened to have them both killed, says THR. Riley claimed Herzog told him and Kowal that if they cooperated, and said whatever Herzog wanted them to say, Grigorieva was willing to slip them some of the money she'd end up getting from her conflict with Gibson, THR reports. Read More »

There's fireworks in the sky, synchronized swimmers in the pool, and of course, romance in the air as Brian Littrell of the Backstreet Boys marries his wife again on their tenth wedding anniversary -- and ET has the exclusive invite. "Hey, ET. Welcome to our tenth anniversary," the grown-up boy band star says. "I'm Brian. This is my wife Leighanne. And we are going to get married again." "Will you marry me again?" he asks his wife during the intimate ceremony. Read More »

Esquire magazine surveyed both 20-year-old and 50-year-old men, asking them: Whom do you consider the coolest man in America? Both groups found Clint Eastwood to be the coolest American man, with the entertainer getting 26 percent of the twenty-something vote and 55 percent of the 50-year-olds votes. Coming in second in the cool-guy poll was President Barack Obama, while actor George Clooney settled in at third place. 'Twilight' star Robert Pattinson got the lowest score, chosen only by 3 percent of the 20-year-olds and a mere 1 percent of the 50-year-olds. When asked, "Who is the best role model for young men in America today?", 41 percent of 20-year-old men said Obama and 32 percent of 50-year-olds agreed. Clooney got 13 percent of the votes for both age groups, and NFL quarterback Tom Brady got 10 percent of the votes from the 20-year-olds. Read More »

Katherine Schwarzenegger is the daughter of California Governor Arnold Schwarzenegger and Maria Shriver -- and the 20-year-old is telling our own Mary Hart all about her new book detailing life as a child of fame. "I totally was feeling horribly about myself," Katherine reveals about her body-image issues growing up. "And I cried to my mom and I was like, 'I hate everything about myself. I can't find one thing that I like. I just -- I hate everything.'" Katherine, much like many of her peers, battled body image issues growing up and shares her experiences in Rock What You've Got: Secrets to Loving Your Inner and Outer Beauty From Someone Who's Been There and Back. Read More »

From lovebirds Katy Perry and Russell Brand in Los Angeles, to Kim Kardashian in Paris, we're bringing you fabulous star shots of the celebs out and about! Tune in to ET tonight for more amazing footage!In the first pic, Katy picks up her fiance Russell from the airport in Los Angeles. Read More »