Nicole Richie went to see the fabulous Miss Britney Spears last night in Vegas...And ended up having some fun. 

The singer dedicated the song "Freak Show" to her during Tuesday's concert.

The fashion designer shared a couple of pictures on Instagram and wrote, "#goodbye." 

Spears praised Richie on Twitter saying, "Can we all give a round of applause to @NicoleRichie for playing along in the show tonight? U looked hot crawling on all fours," she wrote.  

 

 

By the way we are LOVING Britney's brunette hair!