United Kingdom, May 7 -- Gisele Bundchen skipped the Met Gala because she was "busy with her family".

The 43-year-old model has walked the red carpet at the Met Gala many times over the years, but Gisele opted to miss this year's event because she wanted to be with her family instead.

A source told PEOPLE: "She's busy with her family down in Miami. She has a totally full life and she's very busy with her kids."

Gisele - who has Benjamin, 14, and Vivian, 11, with ex-husband Tom Brady - is also particularly busy with her career at the moment.

The insider explained: "She's been working more than she has in 20 years this past year. She has so many projects; she's been working all the time.

"She's been working tirelessly this past week to...