America's Got Talent announced on Monday its engagement with the music on the Instagram account, according to News.ro.
"I said yes," wrote Heidi Klum along with a black and white image where the two embraced, and the engagement ring.
A source near the couple told People that they are very in love and happy.
The two confirmed their relationship in March when they were surprised to kiss the public. Later, in May, the couple first formed a festive event at the Cannes Festival.
Recently, Klum and Kaulitz spent the weekend with the four supermodels at Disneyland in Anaheim, California.
Tom Kaulitz was married this year with Ria Sommerfeld, while Heidi Klum had two marriages with musician Seal, which he broke in 2012, and Flavio Briatore, leader of Formula 1 Renault. With her first husband, Klum has four children – Helene (14), Henry (13), Johan (12) and Lou (9).
Last year the model was cut from the 29-year-old Vito Schnabel, a three-year-old businessman.
Heidi Klum has become a world-famous top model, but also as an actress, business woman, designer and television producer.
Tom Kaulitz was born on September 1, 1989 in Leipzig ten minutes before his twin brother Bill, with whom he founded one of the most popular pop rock / alternative rocks, Tokio Hotel. The two founded the group in 2001, along with drummer Gustav Schäfer and bassist Georg Listing. The quartet had four singles first in the music chart and released three albums that have had great success in their home country, with over 10 million CDs sold worldwide.