In her short few years at the top, Gaga has shocked, amused, disgusted, delighted and confused fans and critics alike. To celebrate Mother Monster turning the big 28, we’re running through her best, funniest and most questionable moments.

1.The time Lady Gaga sent her alterego Jo Calderone to the VMAs 2011 in her place, and performed an epic version of You And I  with Queen’s Brian May.

Much props to Gaga – she stayed in character the whole night.

2.  The time Gaga was on Saturday Night Live and had a threeway with Justin Timberlake and Andy Samberg  – 90s styley!

Watch ‘The Golden Rule’ via YouTube.

3. That other time on SNL when she played a washed up, future version of herself.

Final Sketch Old Lady Gaga SNL 2013 from Bolívar Emmanuel Germanotta on Vimeo.

4. When Elton John joined Gaga on stage at the 2009 Grammy Awards to perform an incredible mash up of Gaga’s ‘Speechless’ and his ‘Your Song’.

https://www.youtube.com/watch?v=HTEFVitoFMM

5. This 2009 speech about gay rights at the National Equality March Rally in Washington DC.

6. When she BFFs with the amazing June Brown on Graham Norton.

7. The moving moment when Gaga dedicated the song Hair to Jamey Rodemeyer, a 14 year-old fan who took his life after enduring months of bullying for being gay.

8. When Gaga surprised superfan and YouTube star Maria Aragon live on the radio, and then asked her to perform with her on stage.  Too many feels!

9. When Gaga bared it all for The Abramovic Method video. Nude forest yoga, anyone?

NSFW: Full video HERE (via YouTube)

10. Any moment she spends with the Queen Bey.

Best buds!

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Lady Gaga brings her ARTRAVE to The O2 Dublin on October 17th 2014. Tickets available from Ticketmaster.ie.