As one of the biggest companies in mobile tech in 2015, Starbucks knows the power of a smartphone app. So, it's no surprise the company understands how important a good Instagram post can be.
Starbucks' Instagram account has more than 7 million followers, with top photos - many of them submitted by customers - garnering more than 200,000 likes.
As 2015 comes to a close, Starbucks' social media team rounded up the best of the best of customer-submitted Instagram photos. Here's the top five from the last year.
1. 308,000 likes
Brita Lynn Thompson (@blynnxoxo) not only won Starbucks' White Cup Contest in 2014 - a regram of her black and white cup also earned the most likes out of any customer-submitted photo.
2. 245,000 likes
This photo by @vickysstyle, a fashion and lifestyle blogger from Seattle, brings back memories of Caramel Frappuccinos on warmer days.
3. 221,000 likes
While a whirlwind of negativity accompanied the release of Starbucks' red holiday cups this winter, @tamalinn managed to post a photo for the annual #RedCupContest that earned the most likes of any of the submitted holiday beverage pictures.
4. 262,000 likes
This year, Starbucks released its first-ever autumn cup, which @glistentothis photographed in an appropriately leafy environment.
5. 220,000 likes
Wedding photographer @meredithsledge expanded her subject matter with a Starbucks photoshoot.
