Kim Kardashian Brittny Gastineau hollywood mastros

A glistening Kim Kardashian left Mastro's Steakhouse in Beverly Hills while holding on tight to her trusted Blackberry. The 30-year-old reality star never leaves home without it!

Ms. Kardashian also enjoyed a little girl time with BFF Brittny Gastineau who was wearing all sorts of black and white patterns. Easy girlfriend ... you're making our eyes cross!

Kim Kardashian Brittny Gastineau hollywood mastros

But we have to give the girls props for their matching knee-high leather boots. So sexy.

Find out which troubled starlet is a fan of Brittny Gastineau's jewelry line ... after the jump.