Jenna Fischer returned from her European vacation with a brand new diamond ring. 'The Office' star will wed writer Lee Kirk, her rep confirms to Usmagazine.com. The couple were engaged on June 30 and have been dating since January 2008.

The sweet sound of wedding bells was the only thing 'American Idol' judge Kara DioGuardi was hearing this weekend, as she wed her contractor boyfriend Mike McCuddy on July 5, In Touch Weekly is exclusively reporting. "I feel great," DioGuardi says. "What was most unbelievable about the experience was when I looked out at the church and saw all these people that were so important to me and Mike ... I was very emotional and I'm not somebody who breaks down and cries," she said.

It looks like Miley Cyrus and Nick Jonas ARE NOT dating after all. The 'Hannah Montana' star took to her Twitter page (surprise!) to announce her love of the single life and to ask the Almighty to find her the perfect dude.

The eldest Jonas is off the market, young ladies. Curly-headed Kevin Jonas, 21, popped the question to girlfriend Danielle Deleasa - who said "yes, yes, like, 500 times super fast in a row," reports PEOPLE. Jonas surprised Deleasa this morning by showing up unexpectedly at her New Jersey home after flying in from a Tuesday night concert in Vancouver, Canada. "It was tough performing last night, knowing that I was going to ask the biggest question in my life to the most amazing girl in the world," he said.

We are not denying that Bradley Cooper is an attractive guy, but he's being linked to every woman he comes in contact with. Just a few weeks after he was photographed dining with Jennifer Aniston, sources are now claiming he shared a romantic Italian dinner with actress Renee Zellweger. We can barely keep up, so we're taking a close look at 'The Hangover' star's love life -- past & present. Inside Bradley's Love Life >>

After getting dumped on national TV, Melissa Rycroft is exacting her love revenge. The 'Bachelor' contestant and former 'Dancing With the Stars' third-place finisher is engaged to her boyfriend, Tye Strickland, who proposed to her last week, Usmagazine.com reports.

Former 'American Idol' contestant Ace Young is engaged to 'Grease' costar Allison Fischer. "I found my true love in Grease," Young told Us Magazine.

Young, 28, made his Broadway debut as Kenickie in the revival of 'Grease' last fall. Fischer, 20, played Patty Simcox in the production from its opening in August 2007 until it closed in January 2009.

Wearing $100,000 worth of jewelry, Kendra Wilkinson married Philadelphia Eagles wide receiver Hank Baskett in a ceremony at the Playboy mansion, where Wikinson used to live with her ex, Playboy founder Hugh Hefner, PEOPLE reports. "She was beaming," an eyewitness said. Hef was among the guests, as well as Bridget Marquardt and Holly Madison, who starred with the bride in the 'Girls Next Door.' Wilkinson, who has her own reality show now, is expecting the couple's first child on Christmas.

The 'Hangover' star can't escape questions about that night out with Jennifer Aniston, even when he leaves the US for a fashion event in Paris. How He Explained It >>>