Heidi Klum turned heads this festive season after she posted a sizzling snap in a red bikini while on vacation with her husband Tom Kaulitz. See details.

Christmas morning for Heidi Klum and her family, and the America's Got Talent star has the pictures to prove it! On December 25, Klum set the bar far too high for family Christmas photos, sharing an adorable group shot with her loved ones.

Kaulitz is a musician, and he has a rock band with his twin brother Bill. Kaulitz is lead guitarist, and the two of them plus Gustav Schäfer on drums and Georg Listing playing base make up Tokio Hotel. The brothers also co-host a podcast called Kaulitz Hills – Mustard from Hollywood. Bill also lives nearby, which is important to Kaulitz.

Also in the snap were her brother-in-law Bill Kaulitz and her daughter’s boyfriend Aris Rechevsky, all in matching Christmas pajamas and monogrammed hats, striking playful poses around the tree.

Klum likewise wore the sultry outfit while attending a private performance by her pal Kate Hudson, who sang a holiday concert for an intimate crowd at Aspen's Hotel Jerome. Among