Cassie is a single lady again. The beautiful model/singer broke up with her longtime boyfriend Sean "Diddy" Combs last year and then started dating her personal trainer.

At the time, Diddy's rep told the media that he believed that Cassie was cheating with her trainer during their relationship.

Cassie announced that she and Diddy were separating last November. And she immediately jumped into a relationship with celebrity trainer Alex Fine.

She dated Alex for 6 months, before the two called it quits a few weeks ago. Back in March personal trainer Alex Fine, shared a message on Instagram praising Cassie. The couple met while Fine was training Cassie and hit it off.

In honor of International Women’s Day, the 25-year-old took to Instagram Stories to profess his love for Cassie. “Strong, beautiful, sweet, thank you,” Fine captioned a photo of the couple with the hashtag #InternationalWomensDay.

So what could have caused Cassie to break up with her gorgeous new bae? It's not clear, but she may have been giving us all a hint three weeks ago, when she posted this on Instagram:

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Here are pics of the two together:

And here are some more pics of the ultra-fit Alex.

Cassie burst onto the scene in 2006, with her hit song "Me & U" which was a top song on the Billboard Top 100. She later released a self titled debut studio album that peaked at number four on the Billboard 200 chart.

Shortly after her hit song, Cassie entered into a long term relationship with Diddy from 2007 to 2018.