Alba Baptista, 25, confirms her relationship with Chris Evans, 41.
The age gap of 16 years sparks debates among fans.
Evans and Baptista have been secretly dating for a year.
Comparisons were drawn to DiCaprio's reputation for dating younger women.
Netizens call Evans' relationship "typical Hollywood" and "predatory."
Fans also describe Evans' relationship as 'typical Hollywood dude dating a so much younger woman.'
Sarcastic comments suggest Alba will be widowed in her 30s.
Phrases like 'Leonardo DiCaprio Incoming' and 'Another Leo' are used.
Critics claim it's typical for men in their 40s to date 20-somethings.