Paris Hilton is engaged for the fourth time. Her boyfriend, Venture capitalist Carter Reum, 40, proposed to her on a private island on Feb. 13 after dating for a year. He popped the question with an emerald-cut diamond ring designed by Jean Dousset, the great-grandson of Louis Cartier. “I am excited about this next chapter and having such a supportive partner,” Hilton told Vogue. “Our relationship is one of equals. We make each other better people. He was absolutely worth the wait!” The socialite turned reality TV star turned DJ took to Instagram on Wednesday, her 40th birthday, to confirm her engagement, writing “When you find your soulmate, you don’t just know it. You feel it.” "My love & I have been together since our first date, and for my birthday, he arranged a special trip to tropical paradise. " "As we walked to dinner along the beach, Carter led us to a cabana adorned with flowers and dropped to one knee. I said yes, yes to for...