Josh Groban and girlfriend Kat Dennings, star of the crazy-popular show "2 Broke Girls" broke up. Dennings is now one brokeup girlfriend, after two years dating the popular singer Groban. But the split was amicable on both parts and Dennings and Groban remain friends.

Josh Groban and Kat Dennings end fairytale romance

Beth Behrs, friend and "2 Broke Girls" co-star of Dennings says that the breakup was surprising as the couple seemed happy. Groban treated Dennings like a princess, Behrs told Ellen on "The Ellen Degeneres Show." Groban had also waxed eloquent on the same show about how lucky he was to have Dennings in his life.

The two have not been reached for comment on the split but Behrs spoke for them, assuring fans that it was a mutual decision. The two remain friends and still care for each other. It just wasn't the right time for a committed relationship for either of them. They both proclaimed to have so much in common, such as being in touch with their inner nerd. That made the relationship that much more charming and, it was thought, charmed. Not so, it seems.

Breakup ironic on National Girlfriends Day

August 1 is National Girlfriends Day and the news of the Groban-Dennings split seems more poignant.

Any holiday is more difficult when you've been in a loving relationship and suddenly find yourself single. The romantic holidays like Sweetest Day and Valentine's Day can be no end of misery. But at least the 2 broke girls have each other. Kat Dennings and Beth Behrs play two of the cutest best friends on television, which makes it bittersweet.

Dennings-Groban split was at least tidy

All too often, the breakup of celebrity couples is messy, ugly, and spiteful.

When Lindsay Lohan did a temporary (or not) bunk from her boyfriend Egor Tarabasov, it was anything but quiet. Calls to police, rants, accusations, and insults chased Tarabasov out the door. She claims he slept around and then that he tried to strangle her. And then, after a somewhat scatty apology, Lohan announced she's pregnant. And then she ran off to the Mediterranean where she's been seen smoking and drinking.

So much drama, so little time for LiLo. So at least the split between Kat Dennings and Josh Groban was handled with grace.

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