The TV personality attended the event at Pink Taco on April 20, 2013 in Los Angeles, California.
Simmons performed with Kevin Nealon at the One Kid One World Night of (At Least) 18 Laughs at Largo on April 28, 2013 in L.A.
The workout guru attended Elizabeth Glaser Pediatric AIDS Foundation's 24th Annual "A Time For Heroes" at Century Park in L.A. on June 2, 2013, where he snapped a photo with Gwen Stefani.
Simmons walked in L.A.'s Gay Pride festival in June 2013.
The personality walked the red carpet at the 2013 MTV VMAs in August 2013.
On August 10, 2013, Simmons helped honor Jane Lynch at the Project Angel Food's Annual Angel Awards.
The entertainer and philanthropist spoke during the 1st Annual "Legends Beyond" Gala on Sept. 19, 2013.
Simmons stepped out in New York City in September 2013.
Simmons attended the "Swim for Relief" benefit to help raise funds for Hurricane Sandy Recovery in October 2013.
Simmons joined the 29th Annual AIDS Walk Los Angeles on Oct. 13, 2013, in West Hollywood.
In October 2013, the fitness star helped open the "For The Stars Fashion House" in L.A.
In November 2013, Simmons visited Stan Lee's Comikaze Expo.
Simmons couldn't miss out on the 2013 Macy's Thanksgiving Day Parade.