Ashley Tisdale Hot and Zac Efron Team Up for Ice Bucket Challenge; Tisdale and Vanessa Hudgens Take Up Pilates Before Tisdale’s Wedding Day! [VIDEO + PHOTOS]

Ashley Tisdale hot actress from "High School Musical" reunites with her co-star from the same Disney movie, Zac Efron, to complete an Ice Bucket Challenge. These two amazingly gorgeous stars from Disney have now decided to join the social media bandwagon on this charity craze for ALS.

Ashley Tisdale hot herself posted the videos of the two of them being doused with ice water on her official Instagram page. In the video, she nominated her former co-star, Efron, who suddenly appears from behind the camera and says, "Who? Me?"

After Ashley Tisdale hot and Efron completed their challenge, Efron then nominated three other celebrities, namely, Matthey McConaughey, Robert Pattinson, and Eric the Actor.

The Ice Bucket Challenge video of Ashley Tisdale hot and Efron has proven that former "High School Musical" co-stars can still have a lot of chemistry. They starred in the hit movie as Sharpay Evans and Troy Bolton.

The Ice Bucket Challenge that Ashley Tisdale hot and Efron did was actually to help raise awareness for ALS or amyotrophic lateral sclerosis, which is also known as motor neurone disease. This is a terminal neuro-generative illness that stiffens and weakens muscles. The challenge is done by pouring a bucket, or for some, buckets, of freezing water over their heads, then nominating other people to follow suit.

At present, the ALS Ice Bucket Challenge charity drives has earned over $41.8 million.

Also, Ashley Tisdale hot's wedding is nearing, and it would seem that both the bride and the rumored bridesmaid, "High School Musical" co-star, Vanessa Hudgens, are looking forward to looking their best on the big day. These two amazingly beautiful actresses have recently been spotted meeting up for their Pilates class in Studio City on Thursday. It would seem that Ashley Tisdale hot and Hudgens have remained very close friends even if eight years have already passed since they made their Hollywood debut through the internationally famous Disney Channel movie.