The first edition of FaceApp was issued in 2017, allowing people using a free version to change their appearance applying different filters, including one for aging.
For the past week netizens have established a solid trend on Twitter, sharing a variety of aged portraits of musicians, selfies among other creative objects that were subjected to changes.
Using a hashtag #FaceApp you can easily find thousands of AI-processed photos, alongside inscriptions that vary from expressions of shock to alarming warnings that AI has gone too far.
Some users were alarmed that the app "works too well" and warned others against using it.
Others enjoyed seeing themselves old.
For many, FaceApp gives an opportunity to joke.
Some of celebrities have also joined the FaceApp challenge.