Kaley Cuoco
Kaley Cuoco attends Nickelodeon's 28th Annual Kids' Choice Awards held at The Forum on March 28, 2015, in Inglewood, California.
Kaley Cuoco
Actress Kaley Cuoco of the CBS series "The Big Bang Theory" poses on arrival at the 21st annual Screen Actors Guild Awards in Los Angeles, Jan. 25, 2015.
Kaley Cuoco
Kaley Cuoco attends the 66th Primetime Emmy Awards held at Nokia Theatre L.A. Live on Aug. 25, 2014, in Los Angeles.
Kaley Cuoco
Johnny Galecki, Kaley Cuoco, Mayim Bialik, Jim Parsons, Melissa Rauch and Simon Helberg star in “The Big Bang Theory.”
Kaley Cuoco
BEVERLY HILLS, CA - JUNE 19: Actress Kaley Cuoco (R) and Tennis player Ryan Sweeting attend the 4th Annual Critics' Choice Television Awards at The Beverly Hilton Hotel on June 19, 2014 in Beverly Hills, California. (Photo by Kevin Winter/Getty Images for Critics' Choice Television Awards)
Kaley Cuoco
Actress Kaley Cuoco accepts the Favorite Comedic TV Actress award for "The Big Bang Theory" onstage at The 40th Annual People's Choice Awards at Nokia Theatre L.A. Live on January 8, 2014 in Los Angeles.
Kaley Cuoco
Actress Kaley Cuoco (R) and Ryan Sweeting arrive at the 65th Annual Primetime Emmy Awards held at Nokia Theatre L.A. Live on September 22, 2013 in Los Angeles.
Kaley Cuoco
Actress Kaley Cuoco accepts a "mantler" during Spike TV's Guys Choice Awards 2013 on June 8, 2013, in Culver City, California.
Kaley Cuoco
Singer Jake Owen and actress Kaley Cuoco speak during the 48th annual Academy of Country Music Awards at the MGM Grand Garden Arena on April 7, 2013, in Las Vegas.
Pictures: ACM Awards red carpetPictures: ACM Awards press room
Kaley Cuoco
Host Kaley Cuoco speaks on stage at the People's Choice Awards at the Nokia Theatre on Jan. 9, 2013, in Los Angeles.
Kaley Cuoco
Actress Kaley Cuoco arrives at the 63rd Annual Primetime Emmy Awards held at Nokia Theatre L.A. LIVE on Sept. 18, 2011 in Los Angeles, Calif.
Kaley Cuoco
Actress Kaley Cuoco arrives at the 63rd Annual Primetime Emmy Awards held at Nokia Theatre L.A. LIVE on Sept. 18, 2011 in Los Angeles.
Kaley Cuoco
Actress Kaley Cuoco attends The 2011 Entertainment Weekly and Women In Film Pre-Emmy Party Sponsored By L'Oreal at BOA Steakhouse on Sept. 16, 2011 in West Hollywood, California.
Kaley Cuoco
Actress Kaley Cuoco attends Audi and David Yurman Kick Off Emmy Week 2011 and Support Tuesday's Children at Cecconi's Restaurant on Sept. 11, 2011 in Los Angeles.
Kaley Cuoco
Actress Kaley Cuoco arrives at the 10th Annual InStyle Summer Soiree held at The London Hotel on Aug. 10, 2011 in West Hollywood, California.
Kaley Cuoco
Host Kaley Cuoco with dance crew Poreotics perform onstage during the 2011 Teen Choice Awards held at the Gibson Amphitheatre on Aug. 7, 2011 in Universal City, California.
Kaley Cuoco
Host Kaley Cuoco speaks onstage during the 2011 Teen Choice Awards held at the Gibson Amphitheatre on Aug. 7, 2011 in Universal City, California.
Kaley Cuoco
Actress Kaley Cuoco arrives at the 2011 Teen Choice Awards held at the Gibson Amphitheatre on Aug. 7, 2011 in Universal City, California.
Kaley Cuoco
Actress Kaley Cuoco arrives at the Critics' Choice Television Awards at the Beverly Hills Hotel on June 20, 2011 in Beverly Hills, California.
Kaley Cuoco
Actress Kaley Cuoco attends the 2011 CBS Upfront presentation at The Tent at Lincoln Center on May 18, 2011 in New York.
Kaley Cuoco
Kaley Cuoco (right) and Christopher French attend a game between the New Orleans Hornets and the Los Angeles Lakers at Staples Center on April 26, 2011 in Los Angeles, Calif.
Kaley Cuoco
Actress Kaley Cuoco arrives at the premiere of Universal Pictures and Illumination Entertainment's "HOP" at CityWalk on March 27, 2011 in Universal City, California.
Kaley Cuoco
Actress Kaley Cuoco arrives to the 19th Annual "A Night at Sardi's" benefitting the Alzheimer's Association on March 16, 2011 in Beverly Hills, California.
Kaley Cuoco
Actress Kaley Cuoco arrives on the red carpet for the 68th annual Golden Globe awards at the Beverly Hilton Hotel in Beverly Hills, California on Jan. 16, 2011.
Kaley Cuoco
Actress Kaley Cuoco arrives at Audi and Designer J. Mendel's Kick Off Celebration of Golden Globe Week 2011 at Cecconi's Restaurant on Jan. 9, 2011 in Los Angeles.