Jessica Simpson Joins Instagram — and Shares Personal Snaps!

Get out your phone, and start following Jessica Simpson — she joined the many celebrities on Instagram yesterday and shared the exciting news on Twitter, writing, "It's official! I've just joined Instagram before it's not cool anymore!" Today, Jessica took to the social media site to reveal a sweet snap of herself with her daughter, Maxwell, and a "family moment" with her sister, Ashlee Simpson, and Ashlee's new fiancé, Evan Ross.