Photos: Jillian Michaels through the years Here are some memorable photos of fitness icon Jillian Michaels through the years. (Jason Kempin/Getty Images for PETA)
Photos: Jillian Michaels through the years 2004: Actress Jillian Michaels attends the film premiere of "The Life and Death of Peter Sellers" on November 15, 2004, at the Grauman's Chinese Theatre in Hollywood, California. (Vince Bucci/Getty Images)
Photos: Jillian Michaels through the years 2005: Trainer Jillian Michaels and trainer Bob Harper attend the panel discussion for "The Biggest Loser" during the NBC 2005 Television Critics Association Summer Press Tour at the Beverly Hilton Hotel on July 24, 2005, in Beverly Hills, California. (Frederick M. Brown/Getty Images)
Photos: Jillian Michaels through the years 2006: Personal trainers from the TV show "The Biggest Loser," Bob Harper and Jillian Michaels, arrive at the Australian Idol Grand Final 2006 at the Sydney Opera House on November 26, 2006, in Sydney, Australia. (Paul McConnell/Getty Images)
Photos: Jillian Michaels through the years 2008: TV personalities Bob Harper and Jillian Michaels arrive for the NBC Universal Experience at Rockefeller Center as part of upfront week on May 12, 2008, in New York City. (Bryan Bedder/Getty Images)
Photos: Jillian Michaels through the years 2009: Fitness motivator Jillian Michaels attends the 36th annual Vision Awards at the Beverly Wilshire Hotel on June 27, 2009, in Beverly Hills, California. (Frederick M. Brown/Getty Images)
Photos: Jillian Michaels through the years 2010: TV personality Jillian Michaels arrives at the 67th annual Golden Globe Awards held at the Beverly Hilton Hotel on January 17, 2010, in Beverly Hills, California. (Frazer Harrison/Getty Images)
Photos: Jillian Michaels through the years 2011: Jillian Michaels and Mario Lopez attend Extra at the Grove on January 3, 2011, in Los Angeles. (Noel Vasquez/Getty Images for Extra)
Photos: Jillian Michaels through the years 2012: TV personality Jillian Michaels and daughter Lukensia attend "20 Magic Minutes: A Family Celebration" hosted by LG Electronics on June 23, 2012, in Beverly Hills, California. (Alberto E. Rodriguez/Getty Images for LG)
Photos: Jillian Michaels through the years 2013: Jillian Michaels wearing Cushnie Et Ochs on the runway during the Heart Truth 2013 Fashion Show held at the Hammerstein Ballroom on February 6, 2013, in New York City. (Jennifer Graylock/Getty Images for Heart Truth)
Photos: Jillian Michaels through the years 2014: Trainer Jillian Michaels and her daughter, Lukensia Michaels Rhoades, attend Kickball for a Home - Celebrity Challenge at the University of Southern California on August 16, 2014, in Los Angeles. (Rachel Murray/Getty Images for Dave Thomas Foundation for Adoption)
Photos: Jillian Michaels through the years 2015: Heidi Rhoades and Jillian Michaels arrive at PETA's 35th Anniversary Party at Hollywood Palladium on September 30, 2015, in Los Angeles. (Frazer Harrison/Getty Images)
Photos: Jillian Michaels through the years 2016: Celebrity fitness trainer Jillian Michaels attends Shape Magazine celebrates Jillian Michaels' cover and 35th anniversary of Shape at the Whisper Lounge on July 6, 2016, in Los Angeles. (Matt Winkelmeyer/Getty Images)
Photos: Jillian Michaels through the years 2018: Jillian Michaels visits Build on December 18, 2018, at Build Studio in New York City. (Nicholas Hunt/Getty Images)
Photos: Jillian Michaels through the years 2019: A HIIT class with personal trainer Jillian Michaels on the first day of the Wellness Your Way Festival at the Colorado Convention Center on August 16, 2019, in Denver. (Tom Cooper/Getty Images for Wellness Your Way Festival)
Photos: Jillian Michaels through the years 2020: TV personality and celebrity trainer Jillian Michaels visits Hallmark Channel's "Home & Family" at Universal Studios Hollywood on January 15, 2020, in Universal City, California. (Paul Archuleta/Getty Images)
