KISS rocker Gene Simmons finally wed former Playboy Playmate Shannon Tweed Saturday at the Beverly Hills Hotel after 28 years together.

KISS rocker Gene Simmons finally wed former Playboy Playmate Shannon Tweed Saturday at the Beverly Hills Hotel after 28 years together. (Getty Images)

BEVERLY HILLS, Calif. (KTLA) -- KISS rocker Gene Simmons finally wed former Playboy Playmate Shannon Tweed Saturday at the Beverly Hills Hotel after 28 years together.

About 400 guests attended the celebrity nuptials, including Hugh Hefner, Bill Maher and the other members of KISS, TMZ.com reports.

Tweed wore more than $2 million in diamonds during the first dance, not including her wedding ring.

The couple's two children, Nick, 22, and Sophie, 19, were in the wedding party, as was KISS guitarist Paul Stanley.