Kaley Cuoco, boyfriend Karl Cook make red carpet debut

"The Big Bang Theory" actress Kaley Cuoco and her boyfriend

Karl Cook

made their red carpet debut at the Longines Masters Los Angeles Gala in California.

The 30-year-old actress donned a colorful floor length wrap dress perfectly matching the colors in Cook's pale gray suit and blue hat, reported Us magazine.

The couple couldn't have looked happier as they held hands and sweetly smiled at each other while posting for the cameras.