Caitlyn Jenner's family and celebrity friends had great reactions to her Vanity Fair cover

Caitlyn Jenner became a trending topic on Monday after former Olympian Bruce Jenner debuted her new look as a woman on the cover of Vogue magazine.

Not only did Caitlyn break President Obama’s record to one million Twitter followers, but she was all anyone could talk about. Check out some of the best reactions below.

The Kardashian/Jenner clan were among the first to celebrate Caitlyn’s cover: