Someone's got a case of the giggles—and this time, it's notKelly Ripa.
Earlier this week,Mandy Mooreshared a sweet clip of her 9-month-old son, Ozzie, being entertained by hisbig brother, Gus, 2. TheThis Is Usactress, 39, cradled her youngest boy in her arms while Gus was preoccupied with the door, and Ozzie just couldn't stop laughing as he looked at his sibling, who was wearing his baseball cap backward. Moore captioned the video, "Ozzie is Gus’s biggest fan."