v; to follow what celebrities are doing at all times via Twitter, Myspace, or Facebook.
n; Celebristalker (see UD definition)
note: Can be used to describe actually stalking Celebrities, though the original definition of Celebristalk is intended to be a bit more harmless. Also, some Celebrities are easier to Celebristalk than others. (i.e. John Mayer)
"Oh man! I just found out that Miley Cyrus is on twitter! I am SO going to Celebristalk her."