Finneas teases Grammys performance with sister Billie Eilish on red carpet

Claudia Sulewski, left, and Finneas arrive at the 64th Annual Grammy Awards at the MGM Grand Garden Arena (Photo by Jordan Strauss/Invision/AP)

Finneas O’Connell has praised his sister Billie Eilish as “unshakeable” ahead of their performance at the Grammys.

The pair feature among a star-studded line-up of live performers due to take to the stage at the 17,000-seat MGM Grand Garden Arena.