Zooey Deschanel Sued You Broke My Horse ... Now Pony Up!

Zooey Deschanel is being sued over a horse ... of course, of course ... by a woman who claims the actress rode the animal so damn hard, she broke him ... this according to a lawsuit obtained by TMZ.

The "New Girl" actress is a hardcore equestrian -- competing in events all the time -- and allegedly "leased" a show horse to ride for $13k back in 2013.

In the suit, the woman who owns the horse, Patty Parker, claims Deschanel signed a horse contract ... promising not to overwork the stallion (named Literati) with restrictions that included "no more than 3 jumping lessons per week."

But Patty says ... when Deschanel returned the horse ... it was a shell of its former self -- "injured and unusable." Sad.

In her suit, Patty says Literati needed serious medical attention -- and claims it's on Zooey to foot the massive veterinary bills.

We reached out to Zooey for comment. Did we get a call back? Neigh.

Lamorne Morris Girl Fight 'New Girl' Star Goes Crazy!

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"New Girl" star Lamorne Morris booked it down Santa Monica Blvd. Monday night to not only watch a pretty awesome girl fight ... he became the official TMZ blow-by-blow commentator.

Morris was leaving DBA in West Hollywood when he noticed the female fracas … then dragged our photog over for a closer look. Morris was literally drooling as he commentated.

Drunk girls ... it never misses.

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Zooey Deschanel's BF Hospitalized It Looks Worse Than It Is ...

Zooey Deschanel played the role of caring girlfriend this week ... when her boyfriend was wheeled out of an L.A. hospital with bandages all over his face ... but don't worry, he's gonna be fine.

The "New Girl" star helped her screenwriter BF Jamie Linden out of his wheelchair and into a waiting Tesla outside of the hospital Tuesday ... sparking concern that something was seriously wrong.

But Zooey's rep tells TMZ it looks worse than it is -- explaining, "Jamie had a very minor and routine sinus procedure done, all is well."

Now we can all breathe easier ... especially Jamie.