Pair celebrated 20th anniversary of Morissette's debut album 'Jagged Little Pill'
Pair reference Tinder, Snapchat in 2015 take on singer's Nineties hit
Fallon, Morissette, Meghan Trainor form "Jagged Little Chicks" for chicken-styled 'Tonight Show' performance of 1996 single
Track appears on 20th-anniversary edition of singer-songwriter's breakthrough LP
Reissue to include previously unreleased demos and London concert featuring members of Foo Fighters and Jane's Addiction
Gwen Stefani, Alanis Morissette, Sammy Hagar, Selena Gomez and other stars help Chelsea Handler say goodbye on her final episode
Let the 'Woah-oh"s, 'Yeah yeah"s and 'Do do do"s begin
Singer's 1995 debut will come to the stage as a workshop production in 2014
'He's braver than I am,' singer says of Billie Joe Armstrong
'Questions always come back to relationships,' singer says
From Bob Dylan and Bruce Springsteen to Jay-Z and Madonna, tons of huge acts are on the road this autumn
'I live to mentor, so my heart is much more open to the idea of that than even 10 years ago'
Acoustic performance, Q&A highlight studio appearance
Singer discovers inner strength on track from upcoming LP