Jessica Simpson Holds Tight to Ashlee's Baby Bump

Jessica Simpson connects with the baby bump of younger sister Ashlee Simpson-Wentz at the grand opening of Palms Place Hotel & Spa on Saturday in Las Vegas, Nevada.

“She’ll be amazing, absolutely amazing,” Jessica, 27, told People. “They’re just the cutest couple in the world. They are adorable. Anybody would wish to be them and you can only wish them well. Just being around them inspires love and everything I sing about.”

Earlier this weekend, Ashlee called off her summer concert tour.

20+ pictures inside of the Simpson sisters and Pete…