07/12/2010 AT 4:15 PM ET
Christina Milian’s life with The-Dream is turning into a nightmare.
After photos surfaced of the music producer, 32, sans wedding ring, being straddled on a Caribbean vacation by his female assistant, new mom Milian, 28, took to her Twitter: “Whatever you think, believe it,” she wrote.
“I don’t [help out] because my ‘helping out’ turns into expectations,” he said. “I’ll get Violet on a late night maybe one or two times, but after that, no. If Christina’s tired, call the nanny, call Violet’s granny. We got people.”
Their reps didn’t immediately respond for comment.