Kaley Cuoco: Big Bang Theory's Thursday Episode Brings Largest Audience Ever!

Kaley Cuoco flashes a smile while grabbing some coffee at Starbucks on Friday (January 10) in Sherman Oaks, Calif.

“Thank you to everyone who tuned into @BigBang_CBS last night. You made it one of our biggest nights 7 seasons in. can’t believe it! Thanku!” the 28-year-old actress tweeted earlier in the day.

PHOTOS: Check out the latest pics of Kaley Cuoco

Kaley‘s hit show The Big Bang Theory brought in 20.1 million viewers on Thursday night, making it the highest ratings for the show.

On the same day, Kaley and her husband Ryan Sweeting held hands while doing some shopping in Beverly Hills.

10+ pictures inside of Kaley Cuoco satisfying her coffee craving…