Jessica Simpson might not be ready to give birth just yet, but she is ready to hit the gym! The first-time mom-to-be Tweeted at her mom pal Jessica Alba, letting her know she wants her body after baby! 

"New goal: look like @jessicaalba after baby. Job well done lady!" Jessica S. Tweeted last night. And Jessica A. was overjoyed with gratitude!
“@JessicaSimpson: -OMG! Ur so sweet!" Jessica A. Tweeted back at her. "Thx hon!"
The mom-of-two, who gave birth to daughter Haven in August, just showed off her killer abs on the beach in Cabo San Lucas on Monday. She credits prenatal yoga and a healthy diet for her post-baby body.
So Jess, are you eating for two or keeping healthy throughout your pregnancy? If you want to look like Ms. Alba, stick to her mommy routine!