With so much cracking snooker to watch I'm a little late reviewing this as I've had to squeeze it in between sessions, so apologies for that. Five singers left and this week's theme was "standards from the Rat Pack era." So with most (all? No, Sammy Davis Jr is still with us as, of course, are many of the ladies) of the rat packers dead, who would they get to mentor the group?

Jamie Foxx stepped into the breach. And only mentioned his new movie - The Soloist - once. Which I thought was very reserved of him, as it sounds like a surefire Oscar-winner to me. But I digress. Jamie was uniformly positive, impressed and complimentary about the final five and indeed, after weeks in which performances have been - with one notable exception - patchy, the strength of the material from this era shone through in every single rendition and made this week's show one of the most memorable on record.

Kris Allen opened the show, and proved immediately that this was the kind of song he was born to sing. He crooned through The Way You Look Tonight like an old pro, and although I certainly don't call myself a fan of Michael Bublé or Jamie Cullum, I though this sounded great. And even with such venerable, well-known material, Kris still managed to put his own spin on it.

Allison Iraheta sang Someone To Watch Over Me and delivered the second brilliant performance of the night. With a maturity and a sound years past her actual age (she turned 17 this week) she proved she's earned the right to be in the final five despite several weeks in the bottom three.

Matt Giraud chose My Funny Valentine, and of all the songs on offer, although this is a powerful choice it's also a tough choice. He was good, but (IMO) not *as* good as the first two. And without a word of a lie, I'd said to my missus before the show even started that it was his turn to leave this week.

Danny Gokey must have been waiting for this week the entire competition. He started slowly with Come Rain And Come Shine but once he let rip, let himself go, he came right out of his shell and delivered a stunning performance that left at least one judge with her mouth on the floor and Simon Cowell commenting that his vocals were outstanding and he'd finally found the "swagger" he needs to be a believable artist.

Adam Lambert chose Feeling Good to close the show and yet again proved himself head and shoulders above the rest of the competition with his arrangement, his performance and his outstanding vocal control. However, clearly either the voting public felt they didn't need to bother much this week, or they took exception to his messing with a classic, and Adam found himself in the bottom three - and even, later, the bottom two - this week.

After Jamie Foxx took pains to point out that the result didn't matter overmuch now that the final five had proved themselves so incredibly talented and that they could all look forward to huge career success, even so the result of the 47 million votes this week was the right one, and Matt Giraud stepped down leaving four standing and an increasingly small gap between any of them in terms of ability and talent. The next two weeks are going to be very interesting.