Selena Gomez had nothing to say at LAX about her breakup with Justin Bieber or allegations that the Biebs had been smoking pot.

TMZ broke the story ... Selena and Justin broke up in Mexico on December 30th after a blowout argument.  She flew back to L.A. that day and Justin returned on New Year's Eve.  As for the

EXCLUSIVE

$55,000 ... that's how much it took for the chick from Michael Jackson's "Thriller" music video to call a truce in her war with the MJ estate ... TMZ has learned.

TMZ broke the story ... Ola Ray settled her lawsuit with the estate earlier this year, and now we know what for ... $55,000

EXCLUSIVE

Billy Bob Thornton's finally cutting ties with ex-wife Angelina Jolie -- TMZ has learned, he just sold the Beverly Hills mansion the two once occupied together ... for a boatload of money.

The ex couple originally bought the 11,000 sq. ft. pad back in 2000 for only $3.75

Who knew ... Mini-Me has a little cowboy in him too.

While filming a segment for some Austrian TV show in L.A. this week, "Austin Powers" star Verne Troyer rode off into the sunset astride his mighty steed ... an adorable little pony.

You can't really tell from the photo, but the pony's only about 4 feet tall.