TikTokRichie MillsAlexa Melton shares birthday message to AC Milan and USMNT star Christian PulisicChristian Pulisic's girlfriend, Alexa Melton, has share birthday message to the AC Milan and United States international.Article continues belowArticle continues belowArticle continues belowArticle continues belowAC Milan ace Pulisic turns 26Girlfriend sends birthday messageCalls American her "favourite boy"