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When your Twitter feed is full of comedians, models and actors who moonlight at geniuses, it's a pretty safe bet that some of the tweets you read will be great. This week, Scott Dooley won Twitter with his doozy — and we'd happily push to get his definition of the word "selfie" added to the dictionary. Model Chrissy Teigen is upset about something (and we can totally feel her pain), Fifi Box has had a very awkward moment with her mum and singer Pink loves someone's sour breath (true story!). Russell Brand tweeted about who he thinks was the last true rock star, Ben Affleck mourned the loss of an industry legend and Neil Patrick Harris might just have the best partner ever. . . There's much more to read in here — click through to check it all out!

Liam Hemsworth was joined by John Krasinksi, Taylor Lautner and many more celebrities at Grey Goose's pre-Oscars bash at Chateau Marmont in West Hollywood last night. Liam went to the event without fiancée Miley Cyrus who was busy attending a party for the Mario Testino exhibit at an LA gallery. Miley has had a busy weekend attending events and working on her new album. She tweeted earlier this weekend, "Making this record on top of Oscar weekend and all of fashion week is CRAY! Need a day of silence. Migraine. "

Other celebrity attendees at the Grey Goose event included Russell Brand, Jean Dujardin, and Parks and Recreation star Chris Pratt whose film Zero Dark Thirty is up for several Oscars today, including best picture.

There were two things that had our favourite famous Tweeters up in arms this week: The supposed Mayan apocalypse, and the proposed changes to everyone's favourite app, Instagram. And yep, as we've come to expect, the celebs we follow were vocal about both. Pink went as far as to say she'd be quitting the photo-sharing app for good, while Jonah Hill likened the effect of the new rules to a broken heart (what a romantic). As for the end of the world? Some people were relieved to see it was nothing more than a myth, while others (like Lauren Conrad) were kind of relying on the end to be nigh. And Megan Gale? She just wants us to have a safe Christmas break — proving she's gorgeous on the inside, too. Click through this gallery of this week's celebrity tweets for a bit of insight, a bit of confusion, and lots of entertainment!

To say it's been a big week might be a bit of an understatement. The 2012 ARIA Awards dominated the Aussie celebrity scene on Thursday night, with the likes of Nicki Minaj, Taylor Swift, Russell Brand and many more turning up to celebrate our music industry's night of nights. Overseas, Katy Perry was a busy girl, first making an appearance at the UNICEF Snowflake charity ball with Selena Gomez, before being given a big honour at the Billboard Women in Music lunch. Miranda Kerr took her little guy Flynn everywhere with her this week (obviously looking uber-stylish, always) and Kate and Wills reminded us that, yes, they are still one of the cutest couples in the world. There was so much to see, it was easy to miss some events this week . . . but don't worry, we've got you covered. Click through the gallery to catch up!

Hello, Summer! We're so happy to be capping this hectic week off with a beautiful sunny day. There were two things on our minds this week: the festive season, and the 2012 ARIA Awards. Our office Christmas tree went up and the advent calendars came out as we got into the spirit of things, and as for the ARIAs? PopSugar editor Jess was on the ground at the red carpet, snapping candid shots of Taylor Swift, Reece Mastin and a few Big Brother contestants, while we kept you guys updated online (wait 'til you see what we had for dinner!). Many new beauty products came our way (which BellaSugar ed Alison compiled into cute gift guides) and FabSugar ed Ali had fun trying out some super cool sunglasses. There's plenty more that went on during the week — click through the gallery to check it all out!

The 2012 ARIA Awards took over the Sydney Entertainment Centre yesterday, with the biggest names in Australian music gathering to honour their peers. It was a night that many thought would belong to Melbourne rapper 360, who had the most nominations with six, but it proved to be Gotye’s night for the second year in a row after he took home album of the year, best male artist and best pop release for his album Making Mirrors. His collaborator on "Somebody That I Used to Know," New Zealand-born Kimbra, won best female artist for the second year in a row, making the duo the first artists win the awards two consecutive years in a row.

The show was filled with plenty of memorable moments. Taylor Swift performed her new single "I Knew You Were Trouble" and also hit the stage a second time to present best male artist with Richard Wilkins. Russell Brand brought his mother on stage for some of his presenting duties, while Nicki Minaj brought lots of colour after rushing to the event from her perfume launch at Myer. 360 and Gossling took to the stage for "Boys Like You" and Lupe Fiasco joined Guy Sebastian for a rendition of their chart-topping, nominated hit "Battle Scars." One Direction won best international act and thanked fans via a video message, where they held up an Australian flag. But perhaps the most poignant part of the show was when stars including Jessica Mauboy, Peter Garrett, Dan Sultan, Paul Kelly and Andrew Farriss sang "Treaty" with Yothu Yindi, who were inducted into the ARIA Hall of Fame.

David Beckham brought along his Galaxy teammate Robbie Keane to sit courtside at Tuesday night's Lakers game in LA. A usual face in the front row at the Staples Center, David cheered on the basketball squad with Robbie, an Irish player, on one side and Adam Levine on the other. Adam and David got into the action, though only one brought along their significant other — Adam had his model girlfriend, Behati Prinsloo, by his side, but Victoria Beckham stayed home. Despite the sports action, Adam still took time to send his well wishes to those suffering in the wake of Hurricane Sandy on the East Coast. Adam tweeted, "Sending love to those who need it on the east coast. You are all in our thoughts."

There were plenty more stars on hand in addition to David and Adam. Katy Perry stayed close to her dad and far away from her ex-husband, Russell Brand. Zac Efron was also there to cheer for the Lakers despite their 91-99 loss to the visiting Mavericks.

Oh, we do so love when our favourite celebs fly all the way down to Australia to see us! That was the case this week when Robert Pattinson — he of the hot vampire fame — hit Sydney to promote the final installment of Twilight, Breaking Dawn Part 2. While we weren't busy being distracted by Rob, we kept our eyes on the endless amount of royals who hit the town this week — from Kate Middleton sharing a laugh with some special guests, her father-in-law Prince Charles and his wife Camilla chatting to our own Kylie Minogue, to a certain "Royal Hotness" and more, it seemed like a good week to be a member of the royal family! Celebrities were kept busy, too — some were filming shirtless scenes on the beach in Hawaii (tough gig) while others were fitting in world premieres, grand balls, shoe shopping and charity lunches. Phew! We've got a much less exhausting way for you to catch up on all that happened in the celebrity world this week: just click through the gallery, and enjoy!