Fifteen years since her runway debut, the "Queen of Cool" fronts another Tiffany & Co. campaign. The 32-year-old supermodel speaks to us in an exclusive phone interview about the brand's T1 collection, and how she's "tall, tender, and talkative in the morning".

Aptly titled “The Legendary Designs of Jean Schlumberger”, the collection is a breathtaking celebration of nature’s beauty and bounty in gold, platinum, sapphire, diamond, ruby and more