Khloe's got her work cut out for her! Not only does her man have a newborn baby with another woman, but now the professional baller's NBA team is losing to the Clippers!

Khloe Kardashian went to the trouble to get all dolled up in sexy, lace-up thigh-high boots and a short Givenchy sweatshirt/dress Saturday night to attend boyfriend Tristan Thompson's basketball games, as the Cleveland Cavaliers faced off against the LA Clippers. Well, that didn't go so well ... the Cavs lost 78-108, but the couple still found cause to celebrate.

After the game, the headed to Ruth's Chris Steakhouse for a hearty dinner of meat and potatoes. Something makes us think Khloe had meat for dessert, too :)

Then the pair hit up a hookah room. Hmmm ...