01of 20
2003: Ellen as Dr. Phil
Jaffe/ Warner Bros.

02of 20
2004: Ellen as Scarlett O’Hara
Chris Polk/ Warner Bros.

03of 202005: Ellen as a CowboyChris Polk/ Warner Bros.Yeehaw, y’all! DeGeneres said “Howdy” to her audience on Halloween dressed as a cowboy with an inflatable horse.
03of 20
2005: Ellen as a Cowboy

Yeehaw, y’all! DeGeneres said “Howdy” to her audience on Halloween dressed as a cowboy with an inflatable horse.
04of 20
2006: Ellen as Her Evil Twin
Michael Rozman/ Warner Bros.

05of 20
2007: Ellen as Jennifer Lopez

06of 202008: Ellen as Barack Obama’s “Change"Michael Rozman/Warner Bros.DeGeneres tookBarack Obama’s presidential campaign slogan literally, dressing up as “Change” … pocket change.
06of 20
2008: Ellen as Barack Obama’s “Change”
Michael Rozman/Warner Bros.

DeGeneres tookBarack Obama’s presidential campaign slogan literally, dressing up as “Change” … pocket change.
07of 20
2009: Ellen as ‘O, The Oprah Magazine’

08of 202010: Ellen as Snooki’s PoufMichael Rozman/Warner Bros.In 2010, DeGeneres channeled the most important star onJersey Shore:Snooki’s pouf.
08of 20
2010: Ellen as Snooki’s Pouf

In 2010, DeGeneres channeled the most important star onJersey Shore:Snooki’s pouf.
09of 202011: Ellen as Sophia GraceMichael Rozman/ Warner Bros.DeGeneres dressed asNicki MinajsuperfanSophia Gracein 2011.
09of 20
2011: Ellen as Sophia Grace

DeGeneres dressed asNicki MinajsuperfanSophia Gracein 2011.
10of 202012: Ellen as Sofia VergaraMichael Rozman/ Warner Bros.Ay dios mio! DeGeneres showed up to her show on Halloween 2012 dressed as her pal,Sofia Vergara.
10of 20
2012: Ellen as Sofia Vergara

Ay dios mio! DeGeneres showed up to her show on Halloween 2012 dressed as her pal,Sofia Vergara.
11of 202012: Ellen as Sophia VergaraMichael Rozman/ Warner Bros.The back of DeGeneres' costume was the true star. Don’t worry, Vergara was in on the joke!
11of 20
2012: Ellen as Sophia Vergara

The back of DeGeneres' costume was the true star. Don’t worry, Vergara was in on the joke!
12of 202013: Ellen as Nicki MinajMichael Rozman/ Warner Bros.DeGeneres showed off plenty of cleavage as the “Anaconda” rapper in 2013.
12of 20
2013: Ellen as Nicki Minaj

DeGeneres showed off plenty of cleavage as the “Anaconda” rapper in 2013.
13of 20
2014: Ellen as Amal and George Clooney

14of 202015: Ellen as Karla KardashianMichael Rozman/ Warner Bros.In 2015, DeGeneres went as the lesser-knownKardashian. Introducing: Karla!
14of 20
2015: Ellen as Karla Kardashian

In 2015, DeGeneres went as the lesser-knownKardashian. Introducing: Karla!
15of 202016: Ellen as SiaMichael Rozman/ Warner Bros.DeGeneres dressed up as Australian singer-songwriterSiain 2016, sporting a wig over her eyes and an all-black ensemble.
15of 20
2016: Ellen as Sia

DeGeneres dressed up as Australian singer-songwriterSiain 2016, sporting a wig over her eyes and an all-black ensemble.
16of 20
2017: Ellen as a Pregnant Karla Kardashian

17of 202018: Ellen as a ‘Bachelor’ contestantMichael Rozman/Warner Bros.DeGeneres got the first impression rose after arriving at her show dressed as the World’s Most DramaticBachelorContestant.
17of 20
2018: Ellen as a ‘Bachelor’ contestant

DeGeneres got the first impression rose after arriving at her show dressed as the World’s Most DramaticBachelorContestant.
18of 202019: Ellen as “Cardi E"Michael Rozman/Warner Bros.We like it like that! In 2019, DeGeneres transformed into “Cardi E,” givingCardi Ba run for her money.
18of 20
2019: Ellen as “Cardi E”

We like it like that! In 2019, DeGeneres transformed into “Cardi E,” givingCardi Ba run for her money.
19of 202020: Ellen as a NurseMichael Rozman/Warner Bros.Amid the COVID-19 pandemic, DeGeneres chose to go as someone she called a “real-life hero” — a nurse.
19of 20
2020: Ellen as a Nurse

Amid the COVID-19 pandemic, DeGeneres chose to go as someone she called a “real-life hero” — a nurse.
20of 202021: Ellen as Future EllenThe Ellen Degeneres Show/InstagramLooking forward from thefinal season of her long-running show, DeGeneres dressed as a future version of herself — gray hair, glasses and all.
20of 20
2021: Ellen as Future Ellen
The Ellen Degeneres Show/Instagram

Looking forward from thefinal season of her long-running show, DeGeneres dressed as a future version of herself — gray hair, glasses and all.
source: people.com