Fans attempting to buy tickets faced long waiting periods, due to the high-demand of the "Hello" singer's concert tickets.
Those who were able to purchase tickets for a show couldn't contain their excitement.
Unfortunately, not all fans were as lucky, and some Twitter users shared their disappointment.
Many fans expressed frustration at third party vendors like StubHub, where ticket holders were re-selling tickets at a steep markup.
Adele's "25" tour will begin in 2016.