Paris' British BFF Passed Away!!!!!!

Best friends don’t come along everyday!

Paris Hilton expressed her grief over the death of Kat McKenzie, a finalist on her reality show Paris Hilton’s British Best Friend, via Twitter.

“It is devastating to hear of her loss, my thoughts and wishes go out to her friends and family. Love you Kitty Kat. RIP,” tweeted the socialite.

McKenzie was only 25 and died suddenly on Friday.

The cause of death was not clear, but police did not expect foul play.

Sad.

[Image via WENN.]