Vanessa Lachey is sharing her emotional response to landing a big TV role. The 40-year-old actress posted a video to Instagram on Monday that she took moments after finding out that she booked the part of Jane Tennant, Special Agent in charge of NCIS Pearl Harbor, on CBS' , which is set to premiere later this month.In the clip, Vanessa, wearing a hat and a black shirt, is sobbing in the car, as her 4-year-old son, Phoenix, sits in the backseat.