Demi Lovato performs at anti-bullying show

London: Singer Demi Lovato joined forces with the Kardashian sisters to stage an anti-bullying rally. Kim Kardashian and her siblings Khloe and Kourtney hosted the event outside Hollywood`s El Capitan Theatre as part of US series `Extreme Makeover: Home Edition`s special show`, honouring the Walker family, who were left devastated by their young son`s suicide in 2009 after he was targeted by his peers, reported Contactmusic. Lovato took to the stage to perform at the event and the stars urged the crowd to be more considerate of others in a bid to stop bullying. "Bullying is Not ok & has to stop now! The Walker family touched my heart with their positivity after the tragedy of their sons suicide," Kim wrote on her Twitter page. PTI