The love fest between ex-spouses BRUCE WILLIS and DEMI MOORE has ended as the superstars battle over naughty behavior of their daughter.

The ENQUIRER has learned that Bruce and Demi are at odds over their 17 year old daughter TALLULAH WILLIS who was recently busted for underage drinking.

While the Die Hard action man believes Demi and hubby ASHTON KUTCHER are too lax, Demi thinks Bruce does not take an active enough role in his daughter's life.

Tallulah, the youngest of Bruce and Demi's 3 daughters -w as recently pap snapped at the Coachella Music Fest clad in a skimpy bikini top, flashing a risque tat and chain smoking.

On April 29th the teen as busted by Hollywood cops on charges of underage drinking/

It was as if war suddenly broke out between Bruce and Demi and it’s ALL over Tallulah,” a family friend told The ENQUIRER.

While the couple's publicist denies there is any strife, sources insist Tallulah's recent behavior has stressed out her famed parental units.

(Bruce) was furious that Demi and Ashton didn't chaperone her (at the festival),” said the friend.

Demi and Bruce were divorced in 2000 but surprisingly she and new hubby Ashron had remained close friends with Willis.

But now insiders day the angered actress must feel her ex-hubby has overstepped his bounds.

Tallulah lives on Demi's roof – and I don't think Demi takes kindly to Bruce second guessing her.”