Ravishing in red! Selena Gomez sizzles in skintight gown to attend wedding of Wizards Of Waverly Place co-star David Henrie

PUBLISHED: 00:54, 22 April 2017 | UPDATED: 20:29, 22 April 2017

Selena Gomez looked incredible on Friday as she stopped by a friend's wedding in LA.

The 24-year-old Good For You singer wore a long red dress with cut-outs on the sides as she stopped by the nuptials for her Wizards Of Waverly Place co-star David Henrie. He married former beauty queen Maria Cahill.

The 27-year-old actor and the 26-year-old former Miss Delaware turned teacher wed in an Old Hollywood-inspired ceremony in Southern California, according to People Magazine.

Star guest: Wizards Of Waverly Place's David Henrie married former beauty queen Maria Cahill in an Old Hollywood-inspired ceremony in Southern California on Friday as his co-stars, including Selena Gomez, watched on

Elegant: The star had on a long red dress with cut-outs on the sides

Tied the knot: Henrie and Cahill before the nuptials took place

Speaking to the magazine before heading down the aisle, the How I Met Your Mother star said: 'You always hear you should marry your best friend, and I actually get to do it. You don't meet girls like her every day.'

Maria said she could not wait to say 'I do': 'One of my favorite things about him is how funny he is and how we just get each other. Being married is going to be just that much better.'

The couple exchanged traditional wedding vows and Maria opted for an A-line, full-length gown by Enzoani featuring beaded Alencon and Chantilly lace.

Nice kicks! The ex of Justin Bieber also wore nude heels that showed off her foot tattoo

Cheers: The star wore her hair back and had on hoop earrings

The wedding guests with the bride and groom: Gomez is second from left

Happy people: The bride and groom posed outside the church

So many cameras on them: The couple looked ecstatic as pals gathered around

Attractive family: The bride and groom here took a nice shot with their closest

The teacher told People she kept her dress a surprise from his husband: 'One of the only things I really pictured about my wedding was the moment when the doors open and my husband sees me for the first time.

'He knows nothing about my dress.

'I liked the Grace Kelly vibe growing up, so I went in with a plan which resulted in me picking out my dress the first day I tried it on!'

Loving her fans: The Year Without Rain crooner took a selfie with several young guests

We see you: Here as guest got a snap of the Good For You hitmaker

Hugs: Here she embraced a pal as she held onto her cell phone

David meanwhile wore a custom tuxedo by Indochino and a white bow tie which was a nod to his parents' wedding the actor said.

'My dad got married in a white bow tie, so I'm honoring him.'

The couple said 'I do' in front of 170 guests before sharing their first dance to the sounds of Michael Bublé's Hold On.

Watching on was David's Wizards co-stars including Selena and Jake T. Austin, who sat at a table all together.

Still close: The couple invited 170 people to the wedding including David's former co-star Selena who was one of the first to know he was getting married

Sister act: Selena played David's little sister on the show while Jake T. Austin played his brother and also attended the nuptials

Selena played David's little sister on the show and she was one of the first to know he had asked Maria to marry him.

'[Selena was] one of the first people I told I was getting married. She was like, ''I'm in. Whenever it is, I'll be there.'''

The singer had offered to perform at the wedding but David wanted her to enjoy the evening, she may have spontaneously jumped on the mic during the reception however.

The couple plan to honeymoon in St. Lucia.