Scream's Carlson Young and Foster the People's Isom Innis's Wedding

One thing's for sure: The music at this reception just had to be good! After getting engaged last January in Iceland, Isom Innis of Foster the People and actress Carlson Young of MTV's Scream said "I do" on April 29, 2017, in Fort Worth, Texas, the bride's hometown. Carlson walked down the aisle in a custom Christian Siriano gown to marry Isom at St. Andrews Episcopal Church, before dancing the night away at River Crest Country Club. "I grew up going to both of these places often, so it was easy to choose these venues," she says.

As for the rest of the planning decisions, Carlson left that up to her mother and her wedding planner, Melanie Tatum of Melanie Tatum Events, who created a colorful reception featuring 20,000 roses and a custom dance floor made for the music-obsessed couple. The bride's only two requests? "I insisted on getting Dippin' Dots and choosing the band," she says.

Keep reading to see Kristen Kilpatrick's photos of the celeb couple's ultimate Texas party, complete with a Beatles tribute band—and a surprise performance by Foster the People, obvi!

For her wedding day, Carlson wore her hair tied back in a braid, which she adorned with delicate white flowers.

The bride's squad matched in white dresses by Rachel Zoe. "I wanted white gowns for everyone," she says. "I just thought it was an elegant, classic look." They accessorized with statement earrings from Nicola Bathie Jewelry, Carlson's gifts to her girls.

The bride also gave her bridesmaids monogrammed handkerchiefs and lipstick, a smart choice as both could be used on the big day!

Carlson's bridesmaids weren't the other ones who got custom gifts. Carlson and Isom created welcome boxes for their 400 guests, which included an illustrated map referencing their home in Los Angeles, Carlson's roots in Texas, and their proposal in Iceland.

For her wedding dress, Carlson turned to designer Christian Siriano. "I had the design in my head for a while, and I knew exactly what I wanted," she says. "Christian sketched up the perfect dress, exactly what I’d imagined, right away—it was so much fun working with him!"

Valentino shoes and her mother’s diamond and pearl drop earrings completed the look.

Music played a large role in the couple's wedding ceremony. "Because both families are so musical, the wedding ceremony and reception music were very important to us," Carlson says. The Texas Boys Choir started things on a big note, with all 30 boys singing throughout the ceremony. And a special story: "Before the ceremony, the choir serenaded the groomsmen, which included all four members of Foster the People," Carlson says. "So they sent the boys autographed copies of their new CD, which was just released. Such a fun moment!"

The bride walked down the aisle on the arm of her father as Kyle Sherman played the trumpet. Once at the altar of St. Andrews Episcopal Church, Carlson and Isom exchanged vows in a ceremony led by Reverend William N. McKeachie. "We did the traditional vows of the Episcopal church and wrote each other letters to read before walking down the aisle," Carlson explains. "Reading Isom’s letter before walking down the aisle was magical. It was so hard not to cry and ruin my makeup!"

Tatum transformed the country club's ballroom. The ceiling was draped with white fabric, while the floor was covered wall-to-wall with high gloss flooring for dancing. Tables (and walls!) were also covered with 20,000 roses, as well as colorful spring blooms like peonies and lilies.

Since music was the theme of the day, it's no surprise that the custom-built dance floor was packed all night. LA-based band Abbey Road played for the couple's first dance to "Till There Was You" by The Beatles. After, Isom and his Foster the People bandmates took to the stage for a special performance and the night ended with a jam session to "Hey Jude," with Abbey Road, Foster the People, Isom's father and brothers, and Carlson's father and brother joining in. "It was incredible," says the bride.

The newlyweds left to a sparkler exit before driving away in a black limo with a "Just Married!" sign and cascading ribbons tied to the back.