HOME Rio 2016 Olympics: Michael Phelps and fiancée Nicole Johnson's son Boomer steals the show Agosto 08 of 2016 - 11:58 EDT by HOLA USA! Galería: 5 Fotos Volver a la noticia 1/5 Boomer showed off his Olympic spirit ahead of the opening ceremony. Photo: Instagram/@nicole.m.johnson 2/5 Boomer wore a "golden" shirt to celebrate Michael's pre-Olympic accomplishments. Photo: Instagram/@nicole.m.johnson 3/5 Boomer showed his pride in a adorable stars and stripes outfit before his father's big victory. Photo: Instagram/@boomerrphelps Prev1/2Next More about: Celebrity Parents Celebrity Dads Rio 2016 Olympics Olympics Michael Phelps Nicole Johnson Boomer Phelps