Bella Hadid is "so proud" of Gigi Hadid's Tommy Hilfiger collection.

Bella and Gigi Hadid (c) Instagram

Bella and Gigi Hadid (c) Instagram

The 21-year-old model - who was named the brand ambassador of Tommy Hilfiger in 2015 - unveiled her second collection under her Tommy x Gigi line on Wednesday (08.02.17), and the blonde beauty's younger sister has gushed about her sibling and is proud of "all of [Gigi's] accomplishments", including her "incredible collection" and "epic" catwalk show, in a heartfelt social media post.

Alongside a picture shared on Bella's Instagram account of the 20-year-old star perched on Gigi's lap as she kissed her cheek, after the pair graced the runway for the American brand's fashion show, which took place on Venice Beach in Los Angeles, she wrote: "I'm so proud of you and all of your accomplishments sister..another incredible collection and the most EPIC show I have ever seen..You shut down Venice beach...!!!! There is not a day that goes by that you don't fully & completely amaze me! I love you so much! Congratulations @tommyxgigi@gigihadid @tommyhilfiger (sic)."

And Gigi's 52-year-old mother, Yolanda Hadid, has congratulated her daughter and fashion designer Tommy Hilfiger on their catwalk show and has credited the pair as a "magical duo".

The proud parent posted a picture of her oldest child with the 65-year-old creative mastermind on her photo-sharing site, which she captioned: "Congratulations to this magical duo....... (sic)."

And Yolanda has publicly thanked Tommy for choosing to partner with the catwalk icon and allowing her to "shine and express her style" under his label.

She continued: "Thank you @tommyhilfiger & Team for giving Gigi the opportunity to shine and express her style with your extraordinary brand and distinct Hilfiger DNA. Today's #TommyLand was magic #Gratitude to #tommyhilfiger (sic)."