Pregnant Jessica Simpson at Mastro's With Eric Johnson

Hey there, I'm Karli Bulnes. Jessica Simpson isn't letting pregnancy keep her from partying. We take you to the latest Simpson family celebration in today's PopSugar Rush! Jessica Simpson was arm in arm with Eric Johnson as the expecting couple exited Mastro's steakhouse in LA Wednesday night, with Eric politely assisting his pregnant fiancée into their car. [NAT pop if it works] The future parents followed sister Ashlee Simpson and her boyfriend Vincent Piazza out of the restaurant after dining together for mom Tina Simpson's birthday. Mom-to-be Jess had some kind words for her mother, tweeting: "Happy Birthday Tina Simpson! I am the woman I am today because I have had you to look up to my entire life. I love you!" Jessica has become quite a a busy woman, and pregnancy hasn't slowed her down one bit. She recently made the media rounds for her upcoming show Fashion Star, she's got plans to create a maternity line . . . . . . and of course, she's got a wedding in the works as well.