Here’s your first look at Jessica Alba in her new role as Mona Gray, math whiz elementary teacher. Hm, Jessica Alba as a math teacher? Not sure if we could buy it. Jessica still looks stunning even in those frumpy clothes. Jessica enjoyed a playful moment to herself before meeting up with actor Chris Messina in Patriots Park in Tarrytown yesterday in New York City, New York. Jessica Alba and Chris Messina are co-starring in the movie version of Aimee Bender’s novel, An Invisible Sign of My Own.