Uncle Jesse and Aunt Becky almost had it all!

John Stamos and Lori Loughlin starred alongside one another in Full House for years. On the show, they played a married couple and off the show, they were also involved — at times. Looking back, John regrets not being more serious about Lori and is even referring to her as “the one that got away.”

Just weeks after news broke that BFF Katy Perry was working with a heartbreak coach, Rihanna is reportedly set to enter relationship rehabilitation to help her move past Chris Brown once and for all.

Katy Perry and Russell Brand first met on the set of Get Him To The Greek in the summer of 2009. The pair began dating in September, were engaged in December, and one year later they wed. In the beginning it was a storybook celebrity happy ending for the two, but after 14 months of marriage, Russell filed for divorce. In the July 2013 issue of Vogue Magazine, Katy is opening up about the marriage, her divorce, and moving on.

Jason Segel split from Michelle Williams in February after a year of dating, and after spending a few months as a single dude in Hollywood, the 33-year-old This Is 40 actor has reportedly moved on with 31-year-old Serbian Australian actress Bojana Novakovic.

I’m a Pretty Little Liars addict, and I got caught up in the Lolita-like tension of Aria’s (now off) romance with her teacher Mr. Fitz. It’s a fictional manifestation of a fantasy that many girls have about a smart, inspiring teacher who’s not that much older than them, and relationships like this do happen in real life, but that doesn’t take away from the fact that it’s inappropriate, and possibly illegal.

Dexter actress Jennifer Carpenter and musician Seth Avett have reportedly been dating for the last two years. Only problem? Seth is a married man! The Avett Brothers crooner has been married to his wife Susan since 2008. Earlier today Seth announced he and Susan were parting ways amid reports that his tumultuous affair has torn his marriage apart.

Former Teen Mom stars Catelynn Lowell and Tyler Baltierra have shared their ups and downs on television for years now, but their fans thought that their relationship was pretty close to perfect. That’s why it was a bit of a shocker when they decided to do VH1′s Couples Therapy. A new preview clip for the show, which premieres June 12, shows that Tyler has cold feet, and sometimes thinks he should have left Catelyn

The Hills star Brody Jenner has been avoiding appearing on his father and step-family’s show Keeping Up With the Kardashians for years, but he finally decided join them and use the opportunity to mend a broken relationship with his dad Bruce Jenner.

There have been rumors for a while that Real Housewives of New Jersey star Joe Giudice has cheated on his wife Teresa (and they’ve had other issues, like when he called her a c**t on camera,) and now here’s another. Life & Style has multiple sources saying that Joe has been having an affair with their former nanny Nicole Cemelli for years.

So much for needing a heartbreak coach! According to reports, Katy Perry and John Mayer are back on. The two first began dating last summer, but after a couple of brief splits and a few engagement rumors, they finally called it quits in March. At the time, their breakup was credited to their equally hectic schedules — but that’s all water under the bridge now.