They both announced this via their twitter account today.
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After they parted ways, Amber later revealed that Kim Kardashian was the reason behind their split.
“Them bitches be crazy”! lol
She claimed that while Kim was dating Reggie Bush she was also cheating with Rose's then-boyfriend Kanye.
Kim and Kanye are now in a committed relationship and Kim welcomed the couple's first child, a baby girl called North West, just over three weeks ago.
Hollywood eh? What goes around...