Matthew McConaughey won points with his children after striking up a friendship with pop star Shawn Mendes.The singer was spotted with a copy of the actor’s memoir, Greenlights, last month (October 2020), and the Dallas Buyers Club star reveals he saw the photo and considers Mendes a pal and “good young man”.“He reached out a while back and he and I have taken contact and will continue to,” McConaughey tells Entertainment Tonight.