Lohan's 'Pink Taco' Ex -- Ashamed of New Gal Pal?

1/22/2007 1:03 PM PST
Lindsay Lohan's ex, Harry Morton, doesn't want to be seen in public with Kimberly Stewart.

The not-yet-confirmed couple was spotted coming out of Beverly Hills Pimps & Hos on Sunday, where Harry, owner of the Pink Taco restaurant chain, covered his face with a sweatshirt in an attempt to block photogs from getting a shot of him with Stewart.

Is he ashamed of downgrading from La Lohan to D-lister Kimberly Stewart?