Credit: Steve Granitz/; Jean Baptiste Lacroix/


When a surprised Jessica Simpson spotted ex-husband Nick Lachey just three tables away at L.A. eatery Red O Oct. 21, she had not-so-kind words for his dinner date Vanessa Minnillo, witnesses tell the new Us Weekly.

Simpson, 30, (dining with beau Eric Johnson, mom Tina and four other pals) didn't greet Lachey; instead, an observer tells Us, she angrily told her server: "'I hope Vanessa likes her clothes because I bought them for her, since Nick took all my money.'" (She and Lachey, 36, divorced in 2005.)

A Simpson confidante adds that the star "got nervous" when Lachey and his love of four years Minnillo, 29, unexpectedly showed up. "It was very weird and awkward."

Indeed, another Red O witness tells Us she "got really loud and started drinking margaritas and doing shots of tequila" to deal with her former spouse's presence.

Get more details on Simpson and Lachey's frosty reunion -- including Tina's cordial hello to her former son-in-law, and how Minnillo felt about the encounter -- in the new Us Weekly, out now!