She wrote in her new book she "felt blindsided" with news that her ex was dating singer Jessie J.
The actor also shares a 6-year-old daughter with her ex Channing Tatum.
Tatum is now reportedly dating singer Jessie J, while Dewan has moved on with Broadway star Steve Kazee.
Dewan responded with all positivity and love.
The actor split from wife Jenna Dewan in April after nine years of marriage.
The actor said a clay piece of his was "destroyed" by his 4-year-old daughter.
The "World of Dance" star, who poses nude on the cover of Women's Health, says being a parent doesn't mean she's left her "sexuality at the door."
"[It’s] a new normal where there is a lot of love."
From #CoupleGoals to #ExGoals.
DeGeneres told the dancer she was "so sorry" for the mistake.
Months before they decided to divorce, there were a few subtle signs that Channing Tatum and Jenna Dewan’s relationship was on the rocks. Here are some other hints celebrity couples dropped that their unions weren’t going to last.
With the break-up of Channing Tatum and Jenna Dewan, we were left contemplating the celebrity couples we couldn’t stand to lose.
Channing and Jenna Dewan Tatum announced they were splitting on Monday.
Alex van der Zwaan became the first person sentenced in the probe yesterday.
"When people say you guys have such a perfect life, I want to scream and tell them no one’s perfect."
"We have lovingly chosen to separate as a couple."
Not even dancers getting ready for a Janet Jackson show.
Jackson brought her "Rhythm Nation" together for a special performance during her Hollywood tour stop.