The ‘Friends’ star, who turned 51 yesterday, shared the “birthday surprise” with her 27.7 million followers on Instagram.
Residents requested care workers at the home to organise a life drawing class, together with “a nice handsome” man to model.
The ‘Monster’s Ball’ actor shared a picture of herself wearing what appeared to be a soaking wet white singlet.
A social media craze – known as the #AgeChallenge – has seen people sharing prematurely-aged pictures of their favourite celebrities.
The actress beams as she models an embellished bikini from her swimsuit range in the video from her vacation in the Himalayas.