His older siblings Taylor, 13, and Brayden, 8 — who Tarek shares with ex-wife Christina Hall — were also at the party, which featured blue, green and gold balloons, as well as blue cupcakes.

With decorations featuring a lot of light and dark blues and a whole bunch of cute sea creatures, it was clear just how excited and delighted Hilton's little boy was to be "sliving" quite so hard ...