In celebration of the holiday season, Apple last night threw a Beer Bash event with singer Gwen Stefani. Apple generally throws these concerts as a perk to employees and on a semi-annual basis. Many employees in attendance last night took to Twitter to share the experience…

Stefani performed songs off of her new holiday album, “You Make It Feel Like Christmas,” as well as many of her classic hits. Tim Cook took to Twitter to thank the artist for her show and touted that it was “B-A-N-A-N-A-S!”

Earlier this year, Apple invited Stevie Wonder to its One Infinite Loop campus for a Beer Bash event in honor of Global Accessibility Awareness Day. In the past, Apple’s Beer Bash events have featured artists such as Pharrell Williams, while the Beer Bash at WWDC each year has featured artists such as Walk The Moon.

Of note, this Beer Bash was still held at One Infinite Loop, not Apple’s new headquarters. It’s unclear when the company will start hosting Beer Bash events at Apple Park, but we’d have to guess it happens sometime next year.

Check out a few more images and videos from Apple’s holiday Beer Bash right below:

https://twitter.com/tim_cook/status/939314928749461504

Gotta see @gwenstefani #frontrow at #Apple today and it was life changing.

— Joshua King (@wandererking) December 9, 2017

So glad @gwenstefani is doing her Christmas songs for Apple’s #beerbash 🎄💋🙌🏾 pic.twitter.com/68FIva4SAh

— Reyna B (@ShefaniStan) December 9, 2017

@gwenstefani you are a rockstar! Thanks for an awesome ‘work’ day at #Apple you were amazing! pic.twitter.com/3Php114nUV

— JoJoChristensen (@thejojo89) December 9, 2017

Awesome rocking out to Christmas tunes with @gwenstefani!!

A post shared by Parth Dhebar (@parth.dhebar) on Dec 8, 2017 at 6:18pm PST

It was BANANAS and a sweeeeet escape seeing @gwenstefani sing some tunes and Christmas songs! 🍌🎄 #beerbash #gwenstefani #nodoubt

A post shared by kaitlyn joe (@bunnieeatboba) on Dec 9, 2017 at 8:34am PST

#apple #appleworldturkey #applemuseumsmryna #applecampus #beerbash #gwenstefani #Bir Beer Bash etkinliği daha çoşkuyla sona erdi.Apple’ın gelenek haline getirdiği bir nevi bu tip motivasyon buluşmaları büyük talep görüyor.Sponsor yiyecek ve içecek firmaları bir araya gelerek aynı zamanda kendi reklamlarını yapıyorlar.Ünlü sanatçıların davet edildiği organizasyon birbirinden güzel ve eğlenceli anlara sahne oluyor. #applenews #applehaber #applecollection #applecomputer #applecollector #🎼🎤🎧📽🎬👨🏻‍💻📱📚🗄🏫🎯🙌🏻👌🏻❤️🙏🏻👍🏻

A post shared by Apple Türkiye (Archive) 🇹🇷 (@appleworldturkish) on Dec 9, 2017 at 3:13am PST