Justin Bieber, Selena Gomez, Carly Rae Jepsen and a number of stars show up to a big Los Angeles premiere for "Katy Perry:
Part of Me 3D”. Katy Perry put on an impromptu concert for her fans and sang their favorite songs. Hollywood Boulevard had to be closed down as the event became a huge street party.
Tags:carly rae jepsen interview on the red carpet,carly rae jepsen shows up to support katy perry,celebrity wire entertainment news,justin bieber holding hands with selena gomez,justin bieber supports katy perry,justin with selena,katy perry at katy perry part of me premiere,katy perry singing,katy perry throws a huge street party in los ange,kay perry sings on hollywood boulevard,music at katy perry premiere,newswrap of katy perry premiere,selena gomez loves katy perry,selena gomez talks on the red carpet,teens go crazy at katy perry movie premiere,tune wire news