Jessica Simpson and Eric Johnson arrive at The Ivy in Santa Monica for a Valentine's Day lunch Credit: AKM-GSI

Jessica Simpson has gotten into the holiday spirit! The second-time mom-to-be dressed up for a Valentine's Day lunch date with fiance Eric Johnson on Thursday, Feb. 14.

Simpson, 32, hid her growing baby bump under a festive pale pink blazer, low-cut black top and Secret Fit Belly® Jersey Knit Maternity Leggings. The expectant Fashion Star mentor looked particularly radiant -- and stylish in dark sunglasses and sky-high pumps for her date with Johnson, 33, at The Ivy in Santa Monica, Calif.

The couple, who became engaged in November 2010 and are parents to daughter Maxwell, almost 10 months, were able to break free of their busy schedules to enjoy a little alone time to celebrate the holiday.

To make room for baby No. 2, the two have are currently in escrow to buy Sharon Osbourne's 11,000-square-foot mansion listed at $13 million in Hidden Hills, Calif. 

Simpson has big plans to give The Talk co-host's closet a makeover and change it into a nursery. "She's already met with designers!" a source told Us Weekly.