"Chloe Moretz is joined by her older brother Trevor while heading into The Forum for Rihanna‘s 777 Tour concert on Monday night (November 19) in London, England.
The 15-year-old actress attended the sixth show of the seven day tour. She wrote on Twitter, “Brilliant night. #RudeGal @rihanna You KILLED it!!!”"
(SOURCE: http://www.justjared.com/2012/11/20/chloe-moretz-rihanna-777-tour-concertgoer-in-london/)