Star Sightings: Selena Gomez Attends Karol G's Concert, Katy Perry and Orlando Bloom Enjoy Dinner in Las Vegas

Nick Carter's defamation countersuit against sexual assault accuser Melissa Schuman is allowed to proceed by Las Vegas judge... as Backstreet Boys star faces fresh assault allegation from another woman dating back to 2003

Winnie Harlow debuts new pixie haircut as she attends Beyonce's Las Vegas show: 'A Hair Renaissance'

Katy Perry is suing Australian designer Katie Perry again