Kaley Cuoco and Ryan Sweeting made their first read carpet appearances as a couple.

Kaley Cuoco, from “Big Bang Theory” and her tennis player boyfriend, Ryan Sweeting, stepped out for their first official red carpet couple appearance at a pre-Emmys party on Friday, Sept. 20.

Kaley Cuoco and her boyfriend Ryan Sweeting stayed close and smiling at Entertainment Weekly's party at Fig & Olive Melrose Place in West Hollywood, Calif.

For their first red carpet appearance, Kaley Cuoco was hot in a tight black Pamelle Roland dress and Pedro Garcia shoes. Ryan Sweeting came in a black suit with a skinny tie.

Kaley Cuoco took to Twitter to gush about the evening. Kaley Cuoco teeetedm "#emmyweekend greatest date ever ryansweething."

Kaley Cuoco and Ryan Sweeting began the gossip that they were a couple when the blonde beauty and the tennis star were first seen together in early August. Kaley Cuoco and Ryan Sweeting went to a horse ranch in Moorpark, Calif., on August 2. On Aug. 3, Kaley Cuoco and Ryan Sweetingwere spotted grabbing lunch at Marmalade Cafe in Sherman Oaks.

Us Weekly reported that Kaley Cuoco and Ryan Sweeting got together after Cuoco had a short flight with Henry Cavill, who starred this summer as the “Man of Steel.” Kaley Cuoco' has also reportedly engaged to Josh "Lazie" Resnik, but Kaley Cuoco and the addiction specialist kicked their mutual habits March 2012. Kate Cuoco also dated Johnny Galecki, her co-star on “The Big Bang Theory.” Kaley Cuoco and Johnny Galecki kept their relationship secret for two years.