‘The Big Bang Theory’ star Kaley Cuoco celebrated her 30th birthday at a rescue sanctuary for big cats with 12 of her closest friends.

The actress jetted to Mexico with friends including sister Briana Cuoco, who turned 27 the day before where they visited the Black Jaguar White Tiger foundation’s animal sanctuary, reported Female First.

Teasing the trip over the weekend, Kaley wrote on Instagram, "2 planes, 12 best friends, one 30th bday, destination unknown = priceless," before later revealing her destination with a post which read, "Starting off my 30th year with a roar… Surrounded by my best friends and all the lions and tigers I can count (sic)." 

Kaley also shared a picture of herself with Black Jaguar White Tiger founder Eduardo Serio and wrote: "Epic Eddie #badassdude #ouralbumcover @blackjaguarwhitetiger #dirty30 #savingtheworldonerescuecatatatime (sic)." 

According to its website, the foundation has rescued "over 180 (and counting!) Big Felines including Jaguars, Tigers, Lions, Leopards, Lynxes and Pumas from a life of abuse in circuses, zoos and illegal breeders".