Jessica Alba -- All This ... Plus a $1.7 Billion Company (PHOTO)

Jessica Alba's amazing body, and bank account, were on full display in Cancun.

The 34-year-old mother of two was enjoying a fabulous vacation this weekend -- no doubt celebrating her killer figure ... and her Honest Company recently being valued at $1.7 billion!

Cash Warren -- already the luckiest guy on Earth -- just got way luckier.