The MAC x Selena makeup line [1] sold out basically the minute it went on Maccosmetics.com on Oct. 1 (MAC says it's still restocking [2]), and on Oct. 6, when it hit stores across the US, the situation was the same. We must say, we weren't surprised, since Selena's fans are so passionate and have been asking for the lipsticks, eyeshadows, and more to be created in honor of the late Tejano singer for years. The Internet, however, wasn't so ready for the crazy-long lines and crashed websites, leading to some of the best Tweets we have yet to see. Scroll ahead to check out just nine of the top reactions we found, then discover what other MAC products closely match the Selena makeup shades [3].