American Eagle rises on partnership with NFL player Travis Kelce's clothing brand

** Shares of apparel retailer American Eagle Outfitters AEO.N up 4% at $12.71

** AEO to partner with National Football League player Travis Kelce's clothing brand Tru Kolors, in a campaign to attract younger customers

** News comes a day after Kelce's engagement to pop superstar Taylor Swift

** The campaign, which will launch in two drops on August 27 and September 24, is also AEO's second major celebrity collaboration in the past few weeks

** American Eagle's shares got a bump from its controversial jeans campaign with actress Sydney Sweeney

** Still, up to last close, stock was down nearly 27% YTD