University is keen to add to name of prestigious guests who have previously given talks
"Ryan Adams is one of the artists who shaped my songwriting," says Swift
Singer also performed with Little Mix as 1989 tour stopped off in Santa Clara
Stewart and fellow actor Ian McKellen recently recited Taylor Swift song lyrics in online clips
Fetty Wap also appeared at CenturyLink Field concert
The 13-year-old is in serious condition
Rapper joins Swift to play in front of 60,000 fans
Pop singer offers words of support via the blogging platform
Singer-songwriter has shared a preview of his 'Welcome To New York' cover
Incident happened during '1989' world tour date in Edmonton on Tuesday