Beyoncé Shares Rare Glimpse of Twins Rumi and Sir in New Ivy Park Ad -- Watch!

Beyonce’s Children Blue Ivy, Sir and Rumi Star in Ivy Park Kids Campaign

See Beyoncé's Kids Blue Ivy, Sir and Rumi Carter Steal the Show in Ivy Park Campaign

Blue Ivy, 9, Looks Nearly As Tall As Beyonce In New IVY PARK Kids Ad: Plus, See Twins Rumi & Sir All Grown Up