Despite appearances, Selena Gomez says she and Niall Horan are just good friends. He's amazing."WATCH: Selena Gomez and Niall Horan Leave Jenna Dewan-Tatum's Birthday Party Together The "Hands to Myself" singer also commented on her feisty Instagram response when some suggested that she might have been performing to a pre-recorded track during the Victoria's Secret Fashion Show.ET caught up with the 23-year-old singer on Friday at Billboard's 10th Annual Women in Music event in New York City, where she categorically denied the reports that she and the baby-faced One Direction singer are an item."Oh my god! "Yes I f**king sing live," she shot back on Tuesday."I just felt like for me, I am in a place where it is my right to say something and defend myself, because I'm always kind, I'm always nice," Selena explained to ET."Every now and then I deserve to say what I feel."The former Disney star certainly looked all grown up on Friday's red carpet, stunning in a sparkly Rodarte dress featuring Swarovski crystals, which she paired with black tights and silver and black stilettos.Dating rumors between Selena and Niall began when the two left Jenna Dewan-Tatum's 35th birthday party together last Friday."That's why, in the video, I didn't wear lingerie and I didn't have a guy in it.Selena later fueled the dating rumors when she not so subtly supported One Direction over her ex, Justin Bieber, on Instagram.When Instagram user @disneylandgomez asked the question, "My friend likes jb and 1d but idk which one to get him?," she replied, much to the chagrin of Jelena fans.
MORE: Justin Bieber Recalls Being ' So in Love' With Selena Gomez -- ' My Identity Was in Her' Now, Gomez plans on marching to the beat of her own drum.
"I've felt so much in the past two years, from being super in love and then dealing with things to getting older and all these beautiful experiences that were complicated and exciting," she said.
It's not that difficult -- I'm a nice young lady -- but that's not my focus." WATCH: Selena Gomez Is Loving Justin Bieber's Comeback -- ' This Is What I Always Saw in Him' Gomez says she's completely comfortable being single, adding, "I'm really stoked about being with myself right now." That being said, the "Same Old Love" singer does admit that she's had a rough go of things following her split from Justin Bieber.
"I have my own definition of what I think is beautiful and sexy," she touted, calling out her "Good For You" music video.
A source told ET that the two were definitely kissing at the star-studded bash."They tried their best to keep to themselves in their private booth behind the DJ table in the main room but that was not happening," the source said."Selena seemed super into it," the source added.
Another eyewitness told ET that the "Good For You" singer and the 22-year-old British boy band member looked "flirty.""He had his arm around her and was rubbing her back, and they were chatting close," the eyewitness said.