Jack (Milo Ventimiglia) and Rebecca Pearson (Mandy Moore) with their young "Big Three" children in the second season (Lonnie Chavis as Randall, Mackenzie Hancsicsak as Kate and Parker Bates as Kevin).

"So grateful for this day you came into the world, it was the most special day," the singer wrote in honor of her fiancé's birthday Lady Gaga is celebrating her fiancé, Michael Polansky's, 42nd ...