The former Destiny's Child singer will join the Foo Fighters, who announced earlier this week that they'd cross picket lines to perform at the Grammys on 10 February.
Event organisers are resolute
Writers Guild of America (WGA) union members insisted the Los Angeles music ceremony was "unlikely" to receive a waiver, halting potential picket action, earlier this week.
Justin Timberlake, 50 Cent and Jon Bon Jovi have are said to have pledged their loyalty to the WGA members, who have been on strike since November (07) over new media royalties. (ANI)
Text: ANI | Photograph: Getty Images