By Christopher Friedmann For Dailymail.com
Published: 22:58 BST, 7 April 2019 | Updated: 23:09 BST, 7 April 2019
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Their father is a well-known real estate developer with projects all over the the world.
And Bella and Gigi Hadid were both in Cambridge, Massachusetts on Sunday to support their dad Mohamed Hadid.
The 22-year-old and 23-year-old models watched on as the 70-year-old business man spoke at the HAAA Arab Conference at Harvard.
Proud: Bella and Gigi Hadid were both in Cambridge, Massachusetts on Sunday to support their dad Mohamed Hadid
Bella looked absolutely gorgeous in a blue denim suit with tight pants that highlighted her long legs.
Underneath she sported an elegant white turtleneck and added a relaxed touch via white sneakers.
She pulled her dirty blonde tresses into a