New Year, New You in 2014

Stars' Favorite Superfoods

New year, new resolutions! See how Hilary Duff, Kourtney Kardashian and more are eating well and keeping their A-list figures!

HILARY DUFF

The new mom, who gave birth to son Luca in March, is getting back in shape with the help of celebrity trainer and PEOPLE.com blogger Harley Pasternak and his recipe for frosty red berry smoothies, which she tweeted "is doin me right!" in October. Another fave: sister Haylie's sunny side up egg over a bed of greens, which prompted Duff to rave, "Love it so much when haylieduff sleeps over and cooks me breakie!"