VIDEO: Andrew Parties With Lil Bub On Her Birthday!

Andrew made a special appearance at Lil Bub's online party celebration to wish her a happy birthday and then led everyone in a rousing rendition of "Happy BUBirthday!" Check out the video above!

Andrew and Lil Bub are old friends and have partied together in the spirit of positivity many times before. Lil Bub stopped by Andrew's recent world record drumathon session at MTV to wish him luck and the two paired up to send out a special holiday message last year. Enjoy both of those videos below!