Eva Mendes has some fitness advice just for you: Be consistent.

Consistency is key, says the actress who gets her workout inspiration from celebrity trainer Harley Pasternak -- he helps her consistently sculpt her calves by climbing stairs, consistently tone her abs with seated side bends and crunches, and consistently strengthen her lower body with dumbbell deadlifts.

The key for us non-celebrity types is to stay consistent without the aid of an expensive trainer. Think you can do it? Health.com offers some motivating tips.