Heidi Klum: Congrats to Christian Siriano on Engagement!

Heidi Klum is a blue hottie while exiting her hotel on Tuesday (July 30) in New York City.

“Just heard the great news! Congratulations to @csiriano and @BradWalsh on their engagement!” the 40-year-old Project Runway host tweeted on the same day.

PHOTOS: Check out the latest pics of Heidi Klum

The day before, Heidi showed her stripes while arriving at LAX Airport for a departing flight to the Big Apple.

In case you missed it, Heidi is scheduled to make a guest starring appearance on the upcoming season of Parks and Recreation.

FYI: Heidi is wearing Hudson zebra print jeans with a Michael Stars shirt. At the airport, she is wearing Karen Walker Eyewear sunglasses.

10+ pictures inside of Heidi Klum stepping out in New York…