Mario Jefferson as Amaia Montero

Montero was the lead vocalist of La Oreja de Van Gogh:

 

According to rumor, Jefferson may appear as a regular performer on the next season of TCMS.

J-Lo Duel

Jorge "Dance Again" Original

 

 Ricky "On the Floor." Original

Singer: Audrius Janonis

Singer: Kara Zmatiq

Her videos do not have many views, so I don't think many people know about Kara Zmatiq:

 

Here's a pic from her Instagram

😱 oh my...sometimes a darker shade is perfect for #Halloween 😉 #instagay #instalove #instamusic #instafamous #instaglam #dragqueen #dragqueens #QUEEN #karazmatiq #newcastle #australiasbest #australiandragqueen #theatre #indie #arts #fashion #halloQUEEN #cabaret #music #makeup

A photo posted by KARA ZMATIQ (@karazmatiq) on Oct 27, 2015 at 3:03am PDT

Gabbo Ibarra as Lady Gaga

Yo me llamo

The main performance begins at about the 2:30 mark:



This costume is not quite as good, but nice vocals:

Singer: Silver Summers

Great dresses and an even better voice:

 

 "The Crying Game"

 

Right should I be Glitter/Charmbracelet Mariah tonight or Rainbow/Butterfly Mariah???! Help!!! #mariahcarey #dragqueen

A post shared by Silverbobs (@silver_summers) on May 27, 2016 at 2:27pm PDT

My new Mariah tribute show 'It's Like That!' Coming soon!!! #mariahcarey #dragqueen #drag #silversummers #tribute

A post shared by Silverbobs (@silver_summers) on Sep 11, 2015 at 9:25am PDT

Singer: Dmitry Bikbaeva

Performing as Natasha Koroleva:


Apparently this performance was too feminine for the judges.
Wait for the microphone drop:

 

Here's the singer performing as Cher (in English) on the same program.

Singer: Ferry de Ruiter

China's "Your Face Sounds Familiar"

Start viewing about 1:03:30



And watch this one starting around 1:06:55 (more comedy than anything):

Bassem Feghali Singing in English

Bassem is imitating Madonna in the first two songs -- "Cry for me Argentina" and "Vogue."

Amazing Valerio Scanu

As Omella Vanoni (longer version of the video here):



As Anna Oxa (longer video here):



As Orietta Berti (longer video here):



And as Cher, with a link to a longer video.

Thanh Duy

Update, March 2022: The links had all disappeared, so I put in new ones in hopes that these will endure. I'm not 100% sure these are the same videos I originally posted, but they are all good.

Singing in English:



 And this is amazing:

You are also going to want to watch this.