0Famous ComebacksGarth Brooks just ended his retirement to tour again. From Cher and Brett Favre to Richard Nixon and Jay-Z, VIEW OUR GALLERY of celebrity comebacks.Updated Jul. 14, 2017 6:25PM EDT / Published Oct. 19, 2009 10:55AM EDT AP Photo Lance ArmstrongAP Photo Garth Brooks AP Photo Jay-ZNeil Lupin, Redferns / Getty Images Richard NixonAP Photo Barbra StreisandJoshua Prezant / Retna Michael Jordan Michael Conroy / AP Photo Clarence Darrow AP Photo Tina TurnerDave Hogan / Getty Images Muhammad AliCBS Photo Archive / Getty Images Frank SinatraGeorge Rose / Getty Images Brett FavreTom Olmscheid / AP Photo CherEthan Miller / Getty Images Marcel DuchampEliot Elisofon, Time & Life Pictures / Getty Images Celine Dion Robert E. Klein / AP Photo Sherlock HolmesTime & Life Pictures / Getty Images
Lance ArmstrongAP Photo Garth Brooks AP Photo Jay-ZNeil Lupin, Redferns / Getty Images Richard NixonAP Photo Barbra StreisandJoshua Prezant / Retna Michael Jordan Michael Conroy / AP Photo Clarence Darrow AP Photo Tina TurnerDave Hogan / Getty Images Muhammad AliCBS Photo Archive / Getty Images Frank SinatraGeorge Rose / Getty Images Brett FavreTom Olmscheid / AP Photo CherEthan Miller / Getty Images Marcel DuchampEliot Elisofon, Time & Life Pictures / Getty Images Celine Dion Robert E. Klein / AP Photo Sherlock HolmesTime & Life Pictures / Getty Images