Billie Eilish attended – and officiated – her brother Finneas O’Connell‘s wedding to YouTuber Claudia Sulewski at the luxurious San Ysidro Ranch in Montecito, California, on Saturday, August 29th. And fans couldn’t get enough of the chic gown she chose for the occasion, with some even telling Kylie Jenner to “take notes” following the backlash over the “inappropriate” dress she wore to friend Jordyn Woods‘ wedding last month. Check out some pictures from the wedding here and here.
The two-time Oscar-winner, who attended with her boyfriend Nat Wolff, looked radiant in an olive-green off-the-shoulder gown with a low-cut neckline, which complemented the outdoor theme of the wedding perfectly.
Her auburn hair was styled in a side-parted, shoulder-length bob, which showed off some dazzling drop earrings, and her makeup consisted of a flawless base and dark lipstick.

Billie Eilish Turns Heads In An Olive-Green Gown At Brother Finneas O'Connell's Star-Studded Wedding
It certainly didn't look like the "No Time to Die" singer was trying to upstage the bride. And that would have been difficult to do, as according to Vogue, Sulewski wore four Oscar de la Renta looks over the wedding weekend, including different ensembles for the rehearsal dinner, ceremony, first dance and reception, and after-party.
The "Birds of a Feather" hitmaker wasn't the only famous face at the star-studded wedding, as the guest list also included Justin and Hailey Bieber, Kristen Bell and Dax Shepard, Emma Chamberlain, Jason Sudeikis, Stassie Karanikolaou, and many more. Stassie's BFF Kylie Jenner, however, was nowhere to be seen.
Billie's look received a plethora of compliments on social media, with many people praising it as a perfect example of looking chic and classy at someone else's wedding without stealing attention from the bride. And some fans couldn't resist juxtaposing it with Kylie's recent cutout dress from her friend Jordyn Woods' wedding, which was criticized for being "inappropriate" and "tacky," among other things.

The Internet Raves Over Billie Eilish's Look And Slams Kylie Jenner's Previous Wedding Guest Look
Comments ranged from gushing over Billie's incredible dress to criticizing Kylie Jenner's wedding guest style…
"Billie looks PHENOMENAL. That dress is exquisite on her," raved one fan on Instagram. "Billie looks so good," a second agreed. "Billie looks incredible," echoed a third.
"Billie is stunning!" exclaimed a fourth. "Billie looks stunning as does the bride," praised a fifth, followed by a heart-eyes emoji. "Billie looks gorgeous though, especially love her hair color with that deep chartreuse dress," wrote a sixth. "Love Billie's dress," added a seventh.
Others immediately brought Kylie into the conversation. "Why is Kylie's friend everywhere?" joked an eighth, which we assume was a reference to Stassie, followed by the crying-laughing emoji, while a ninth said Kylie should "take notes" regarding how Billie and the other female guests were dressed.
The comparisons continued on Reddit. "Kylie missed out & couldn't crash this wedding w/ her bimbo dresses," wrote one user. "I think that's why she doesn't get invited. Kylie doesn't dress for the occasion. She dresses to become the occasion. And that's the [expletive] problem!" a second wrote.
"All the other girls look good in their dresses and then there's Kylie's dress not only is it ugly but it's not flattering and it looks cheap," slammed a third, as a fourth concurred: "All that money and she still can't buy class."

