School shooting in Connecticut: Celebrities such as Kim Kardashian react on Twitter

17 of 21: 'Hairspray' and 'Rock of Ages' director and choreographer Adam Shankman Tweeted this:

'Devastated by the tragedy in Newton. I am praying for the families and friends affected by yet another senseless nightmare. This year: CO movie theater, OR mall, and now CT school. How many innocents must die before we enforce more gun control! Prayer for #newton.'

(Pictured: Adam Shankman talks to OTRC.com about his movie 'Rock of Ages,' which hit theaters on June 15, 2012.) (OTRC Photo)