Why would it be intentional? Christina most likely has no Idea who Adriana is.

She didn't even know Adam Lambert was when they would ask her about him and that was after he had a big hit a couple of years ago.

Everything you type's an opinion, everything I type's the fact.

Global iTunes Artist Ranking -

62 Christina Aguilera
287 Ariana Grande

Even though X's last #1 was in 2011, it was bigger than the #1s in the last 2 years by Rihanna. In fact it was bigger than every single Riri was ever on. The past's just important as the future.