• Kaley Cuoco spent her 30th birthday at the Black Jaguar White Tiger Foundation in Mexico.

Kaley Cuoco spent her 30th birthday at the Black Jaguar White Tiger Foundation in Mexico. (Photo : Reuters)

Kaley Cuoco spent her 30th birthday at the Black Jaguar White Tiger Foundation in Mexico on Nov. 30, Monday, and claimed that the whole experience was the best birthday that "The Big Bang Theory" star has ever had.

The 30-year-old Hollywood celebrity was with several friends and Cuoco's sister, who also had a birthday on Nov. 29, Sunday.

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The Black Jaguar White Tiger Foundation has the primary goal of rescuing big cats from the pitiful, caged and painful lives the animals had with previous owners, according to CBS News. Cuoco was incredibly thankful for all the happiness, love and concern that God and people have provided the star throughout the years, which have not always been entirely positive.

Likewise, the actress from "The Big Bang Theory" noted that there have been a few obstacles recently, especially since Cuoco just divorced Ryan Sweeting back in September after only 21 months of being married together. Since the separation, the Hollywood celebrity has chosen to cover a tattoo commemorating the wedding date that was located on Cuoco's back.

Ali Fedotowsky also accompanied Cuoco in Mexico, and the former "The Bachelorette" star joined the 30-year-old birthday celebrant in playing with a baby tiger. The 31-year-old "The Bachelor" star acknowledged that the visit to the Black Jaguar White Tiger Foundation was an amazing, memorable and rare trip.

Meanwhile, "The Big Bang Theory" will finally have Sheldon and Amy become sexually active for the first time, according to The Hollywood Reporter.

Sheldon, who is played by the 42-year-old Jim Parsons, is a virgin who is about to get intimate with Amy. Portrayed by the 39-year-old Mayim Bialik, Amy had actually had exceptionally bad moments with Sheldon in this season of "The Big Bang Theory."

However, the separation led Sheldon to think more of what the geek had with Amy when the two were together. On Dec. 17, "The Big Bang Theory" is poised to show Sheldon and Amy getting intimate with each other for the first time as the series airs on the CBS network at 8 p.m.