Gwen Stefani and Lady Gaga made friends on Twitter Gwen Stefani and Lady Gaga Wed-18-Jul-12 08:48 Share this By Jay-Jay FeeneyNo Doubt’s Gwen Stefani and Lady Gaga have become friends after tweeting! No Doubt have just released their first single in 11 years, called Settle Down and Lady gaga loves it so much she tweeted to her little monsters to buy it."@nodoubt single 'Settle Down' is out. I just bought it! Go get it its (sic) so good! Band formed the year I was born! 1986 baby."Gwen Stefani replied, "wow gaga muffin thanks for the shout out that's big! Kiss from one Stefani to another!"Gaga replied, "I love watching you guys light up the charts. I'm feeling nostalgic today because of this." You May Also Like Gwen Stefani and Pink are enemies It was a big weekend of Hollywood babies and engagements Gaga reveals she suffered crippling depression last year Become a fan of The Edge on Facebook and on Twitter .