Tune in tonight: R. Kelly's ex-wife Andrea Kelly opens upon on ABC's “Nightline”

Paras Griffin/Getty ImagesFollowing the revelation that she was abused for years by her ex-husband R. Kelly, Andrea Kelly is now opening up to ABC News’ Linsey Davis on tonight’s edition of Nightline about her tumultuous relationship with the singer — including the moment when she realized she was a victim of domestic violence.

Andrea says that after a series of altercations between her and Kelly, she reached a breaking point in which she almost tried to end her life.

“The only thing that kept me…first God, but my kids. ‘Cause I remember I climbed out on the balcony and I looked down and it was, like, God had