'Deja Vu' was also a #1 song on iTunes.Ī bona fide international sensation, 'Deja Vu' is the #1 commercial single in the United Kingdom and Japan and has achieved #1 Airplay in Hong Kong. 'Deja Vu' is #1 on the Single Sales chart, #1 on the R&B/Hip-Hop Singles chart, and #1 on the R&B/Hip-Hop Singles Sales chart in the US, according to Billboard. Pop music superstar Beyonce is topping charts around the world once again with 'Deja Vu' (featuring Jay-Z), the first single from her avidly-awaited new album, B'Day.