Jay-Z expects wife Beyonce Knowles to win music awards – because she's so 'magnificent'.

The '99 Problems' rapper – whose spouse took home a record-breaking six gongs at the Grammy Awards on Sunday night (31.01.10) – is always confident the 'Halo' singer will win whenever she is nominated.

He said: 'It's almost got to a point where you just, you know, you're almost numb to it because she's so magnificent every single time."

Beyonce, 28, also performed at the ceremony covering Alanis Morissette's 'You Oughta Know', as well as singing her own song 'If I Were A Boy', and husband Jay-Z admits he never felt so proud of her.

He said: 'I'm a fan, you know, I'm a big fan.'

The hip-hop star also spoke about how he believes Usher is in line to fill Michael Jackson's "huge shoes" as the new 'King of Pop'.

Referring to the performance of 'Earth Song' in tribute to Michael at the ceremony, Jay-Z told Access Hollywood: 'I thought the Michael Jackson tribute was fantastic and I thought Usher was doing a magnificent job. I think he's one of the guys that's in line to fill those huge shoes.

'I don't wanna put that pressure on him, but I think he's one of the guy's that's in line to do that."

The tribute – which featured Celine Dion, Usher, Jennifer Hudson and Smokey Robinson among others – was accompanied by a 3-D mini-film which was created by Michael as part of his planned 'This Is It' London residency.