Rosie (Anna Kendrick) and Marco (Chace Crawford) are among the couples in "What to Expect When You're Expecting." | Lionsgate photo
Chris Rock (foreground, left) and Rodrigo Santoro (foreground, right) portray fathers in "What to Expect When You're Expecting," which opens on the big screen on May 18. | Lionsgate photo
"What to Expect When You're Expecting" features Cameron Diaz (foreground) as a fitness instructor. | Lionsgate photo
The couples in "What to Expect When You're Expecting" include Evan (Matthew Morrison) and Jules (Cameron Diaz). | Lionsgate photo
Parenting from a father's perspective in "What to Expect When You're Expecting" comes from characters played by Chris Rock (left) and Tom Lennon. | Lionsgate photo
Rodrigo Santoro plays the husband of Holly (Jennifer Lopez) in "What to Expect When You’re Expecting," a new romantic comedy-drama. | Lionsgate photo
★★ If only “What to Expect When You’re Expecting” had focused on the dads’ group instead of dropping in on them a handful of times, we might have been onto something. Chris Rock, Thomas Lennon and Rob Huebel portray some of the dudes who meet …
