Another easy present is an accessory for their phone or car. There are plenty of options to chose from in all price ranges, and you can quickly pick these presents up at any major retailer.
Some guys get confused on what to get girls for Christmas, but shopping for them doesn't have to be hard. Girls would also enjoy gift cards from their favorite locations or phone accessories. One idea is a customized phone case.
You could also make a personal gift such as a basket with her favorite candies, movies and little toys. Customized clothing would also be appreciated. You can get as elaborate as your budget will allow.
If you know her favorite band or artist and they happen to be on tour, you can purchase tickets to a nearby show. Be aware that this will be a pricier gift, especially if you buy a pair of tickets so you can enjoy the concert together.
Christmas is a very fun time for everyone. Don't let buying presents for others stress you out too much. The easiest way to figure out what to purchase is to ask people about items they like and don't like, so you know to look for and what to avoid.
Happy holidays, and good luck shopping!