NEW YORK — Kevin Jonas is a married man!

The 22-year-old singer and his longtime girlfriend, Danielle Deleasa, tied the knot Saturday at Oheka Castle in Long Island, American Superstar has learned.

Fellow Jonas Brothers Nick and Joe served as best men at the evening affair, which took place in front of approximately 400 friends and family.

"We're so happy that we're finally married and we were able to share the special moment with family, friends and loved ones," the couple told People.

Jonas proposed to the 23-year-old Deleasa in July.

HOLLYWOOD, Calif. — Tom Arnold has said "I do" again.

The 50-year-old star married his longtime girlfriend Ashley Groussman in Maui, Hawaii on Saturday, American Superstar has confirmed.

More than 75 family and friends attended the couple's intimate ceremony, including actor Dax Shepard, who served as Arnold's best man.

This is the fourth trip to the altar for Arnold, who was famously married to Roseanne Barr in the '90s.

HOLLYWOOD, Calif. — Ron Livingston and Rosemarie DeWitt are now husband and wife.

The showbiz couple got married on Nov. 2 in San Francisco, Livingston's rep confirmed Wednesday to People.

Livingston, 42, and DeWitt, 35, have been dating for more than three years. They met on the set of their short-lived Fox series, Standoff.

NEW YORK — Donald Trump is one proud father after his daughter Ivanka married publisher Jared Kushner over the weekend.

"It was a spectacular wedding and a day that I will always remember," the 63-year-old business mogul tells Us Weekly.

Trump, 27, and Kushner, 28, tied the knot Sunday at the Trump National Golf Club in Bedminster, N.J. The stunning bride walked down the aisle in a Vera Wang gown inspired by Grace Kelly as more than 500 guests looked on, including TV host Regis Philbin.