United Kingdom, Jan. 22 -- Paris Hilton's three-year-old son Phoenix is "so protective" of his two-year-old sister London.

The media personality and her husband, entrepreneur Carter Reum, both 44, welcomed Phoenix into the world in January 2023 and London in November that year, and Paris has relished seeing the pair grow up since.

The Simple Life star told E! News: "London and Phoenix are the twins that are always connected at the hip. Phoenix is the best big brother. He's so protective over her."

And London also has so much love for her big brother.

Paris continued: "She just loves and adores and looks up to him so much. It's really amazing to watch."

Meanwhile, the star revealed Phoenix's birthday was a more low-key affair this yea...