Gallery: The best bits of Alison's L.A. adventure!Tuesday 26 February at 5:36pmWe didn't have the heart to tell her that isn't the real Hollywood sign.A star deserves a star on the Walk of Fame, so Alison brought her own along!We had fun trying to spot celebrities in Hollywood, and bumped into Captain America and Spider-Man.Simon Cowell was much quieter than usual. Not sure why?Never mind... we were celeb spotting so grabbed a selfie anyway!Only a few hours after placing her star, this happened. We sense foul play!The Late Late Show with James Corden is popular...But we think James was impressed with Alison's new show idea - The Early Early Show with Alison Hammond.The Cadillac Party was full of celebrity guests, including Allison Janney. She couldn't wait to say hello!The wonderful Allen Leech stopped by to say hi.Ben Hardy from Bohemian Rhapsody couldn't resist grabbing a selfie with Alison!Taking time out of a shoot at a multimillion dollar mansion. Make yourself at home Alison!Wolfgang Puck showed us all of the food he was making for Sunday's ceremony.If you can't win a real Oscar, how about a salmon one?Ryan Reynolds wasn't available, but Alison came up with a suitable alternative!Just one day as a Hollywood chauffeur, and Jack Osbourne became her first (and last) passenger!Only days after placing it on the Walk of Fame, Alison's star disappeared, leaving a sad sticky residue behind...Oscars gifting suites are a great place to go celeb spotting...But not so great when you get upstaged by a dog influencer!Cameraman Lee definitely came in handy during his day's off - he's got a career as a PA now.Alison even had a facial at Kate Somerville to get herself ready to party with the A-listers!Time for another party, and this time it's the Women In Film Oscar Nominees Party...We tracked down Cat Deeley looking very glam.Alison even spotted the amazing Angela Bassett! How could you not get a selfie?!Before we knew it, it was Oscars night, and Alison was looking amazing - what a week!