(CNN)Karlie Kloss can soon call Ivanka Trump her sister-in-law.
The fashion model and her boyfriend of six years, Joshua Kushner announced Tuesday that they are engaged.
Kushner is the brother of Jared Kushner, Ivanka Trump's husband and a senior adviser to President Trump.
Kloss confirmed the news via on Instagram with a sweet caption, "I love you more than I have words to express," she wrote. "Josh, you're my best friend and my soulmate. I can't wait for forever together. Yes a million times over."