Celebrity Celebrity Weddings Celebrity Wedding Ceremonies & Receptions Kaley Cuoco: Wedding Was the 'Greatest Night of My Entire Life' The Big Bang Theory star wed Ryan Sweeting on New Year's Eve By K.c. Blumm K.c. Blumm K.c. Blumm is a former senior news editor at PEOPLE. She left PEOPLE in 2015. People Editorial Guidelines Published on January 1, 2014 03:30PM EST Photo: Courtesy of Kaley Cuoco Her smile says it all – Kaley Cuoco had a huge grin as she posed for a fun pic with her new husband, Ryan Sweeting, at her wedding reception Tuesday night. The Big Bang Theory star posted a pic on Instagram on Wednesday from their fire-and-ice themed New Year’s Eve wedding at Hummingbird Nest Ranch in Santa Susana, Calif. “Greatest night of my entire life,” the 28-year-old captioned the pic, which shows her tennis pro hubby engulfed in her pink Vera Wang gown. She followed it up with a shot of their first dance as husband and wife, captioning it, “Last night I married my sweetheart ? life couldn’t be sweeter.” “#Bestnightever #love #magic #amazing,” posted makeup artist Jamie Greenberg, who was a guest at the wedding and shared a pic on her Instagram account. “Congratulations to @KaleyCuoco on her new year’s eve wedding,” her costar Mayim Bialik Tweeted. “Yay kaley and ryan!” The couple announced their engagement in September, just three months after they were first spotted together. PHOTOS: 3, 2, 1 … I Do! Stars’ New Year’s Nuptials Close