Kiss frontman Gene Simmons and his girlfriend of 28 years, the actress and former Playmate Shannon Tweed, were married this weekend before 400 guests.

Rock musician Gene Simmons of the group quotKISSquot arrives with actress Shannon Tweed as guests for the premiere of the new film quotEvent Horizonquot August 12 in Beverly Hills
Rock musician Gene Simmons of the group "KISS" arrives with actress Shannon Tweed as guests for the premiere of the new film "Event Horizon" August 12 in Beverly Hills Reuters
Actress Shannon Tweed, one of the stars of the new film quot Detroit Rock Cityquot poses at the films premiere August 9 in Los Angeles
Actress Shannon Tweed, one of the stars of the new film " Detroit Rock City" poses at the film's premiere August 9 in Los Angeles. The film, set in 1978, follows four teenagers who set out on an adventure to attend a KISS concert. Reuters
Gene Simmons of the rock group quotKISSquot and Shannon Tweed arrive as guests for the premiere of the new action drama film quotSwordfishquot in Los Angeles
Gene Simmons of the rock group "KISS" and Shannon Tweed arrive as guests for the premiere of the new action drama film "Swordfish" in Los Angeles June 4, 2001. Reuters
Gene Simmons of the rock group quotKISSquot poses with his family, companion Shannon Tweed L and their children Nicholas and Sophie as they arrive as guests for the premiere of the new comedy film quotThe New Guyquot in Hollywood
Gene Simmons of the rock group "KISS" poses with his family, companion Shannon Tweed (L) and their children Nicholas and Sophie as they arrive as guests for the premiere of the new comedy film "The New Guy" in Hollywood, May 7, 2002. Reuters
U.S. actress Shannon Tweed and husband U.S. rock musician Gene Simmons arrive for the premiere of quotRizequot at the Egyptian Theatre in Hollywood
U.S. actress Shannon Tweed and husband U.S. rock musician Gene Simmons arrive for the premiere of "Rize" at the Egyptian Theatre in Hollywood June 21, 2005. Reuters
Music recording artist Gene Simmons R poses with his long time partner Shannon Tweed 2nd-L and their two children, Nicholas and Sophie, at the AE networks up-front presentation at the Geffen Playhouse in Los Angeles
Music recording artist Gene Simmons (R) poses with his long time partner Shannon Tweed (2nd-L) and their two children, Nicholas and Sophie, at the A&E networks up-front presentation at the Geffen Playhouse in Los Angeles May 5, 2006. Reuters
KISS bassist Gene Simmons and actress Shannon Tweed arrive at the 2007 American Music Awards in Los Angeles, California
KISS bassist Gene Simmons and actress Shannon Tweed arrive at the 2007 American Music Awards in Los Angeles, California November 18, 2007. Reuters
Rock Star Gene Simmons L accompanied his partner Shannon Tweed R and son Nick arrive in Vancouver, British Columbia
Rock Star Gene Simmons (L) accompanied his partner Shannon Tweed (R) and son Nick arrive in Vancouver, British Columbia December 29, 2008. Reuters
Gene Simmons, star of the film quotExtractquot, gestures as he poses at the films premiere with his partner Shannon Tweed R, their daughter Sophie Simmons 2nd L and son Nick Tweed-Simmons L in Hollywood, California
Gene Simmons, star of the film "Extract", gestures as he poses at the film's premiere with his partner Shannon Tweed (R), their daughter Sophie Simmons (2nd L) and son Nick Tweed-Simmons (L) in Hollywood, California August 24, 2009. Reuters
Gene Simmons of the band Kiss and his common-law spouse Shannon Tweed 2nd R along with their children Sophie and Nick R stand on the sidelines before the the CFL football game between the BC Lions and Hamilton Tiger-Cats in Vancouver, British Columbia
Gene Simmons of the band Kiss and his common-law spouse Shannon Tweed (2nd R) along with their children Sophie and Nick (R) stand on the sidelines before the the CFL football game between the BC Lions and Hamilton Tiger-Cats in Vancouver, British Columbia July 22, 2011. Reuters