HILARIA TO ALEC: SHAPE UP!

Hilaria Baldwin may be cha-cha-ing on the new season of Dancing With the Stars, but she wants her husband, Alec Baldwin, to cha-cha-change.

- 

An insider tells Star that the mom of seven, a longtime yoga instructor, is loving working with her dance partner Gleb Savchenko — and is impressed by his fit physique. “She's surrounded by these wonderfully healthy people who share her passion for exercise and nutrition,” the source says of the 41-year-old, adding that Hila