AceShowbiz - Colton Underwood confirmed his new relationship. The television personality best known for his appearance on "The Bachelor" season 23 posted a series of tributes to his new boyfriend Jordan C. Brown on Instagram.

The reality TV star went public with his romance to mark his beau's birthday. "Happy birthday my dog loving…," so he captioned one of the appreciation posts shared on Instagram Story. He called his boyfriend his "love" in another.

Colton also helped throw a surprise party to celebrate Jordan's big day. The birthday boy posted a photo from the bash on his own page, posing with two female pals. He tagged Four Seasons Hotel in Beverly Hills as the location of the party.

Jordan's birthday is not the only celebration for the lovebirds as Colton recently premiered a new docu-series on Netflix. The documentary follows the ABC star on his journey to embracing his sexuality. He officially came out as a gay earlier this year.

In a recent interview with People, he said of his relationship, "I wasn't really pursuing dating at first. But since then I found somebody and I am very much in love."

"After The Bachelor I learned the boundaries and healthiness of having a private relationship," he noted. "Everybody went through my breakup [with Cassie Randolph] and the ups and downs of my dating life. It's nice for me to have something for myself."

"I was struggling with my sexuality but I had such a level of fear over being gay," he explained why it took a long time for him to come clean. "Now that I've been out to myself for a year, it's the healthiest and happiest I've ever felt. And there is nothing I would ever want to be but gay."