The picture of Amanda that Ripley receives in 1986's Aliens when she wakes up after 57 years in hypersleep. Fun Fact: This picture is actually of Sigourney Weaver's mother. Hence the resemblance.
The Alien franchise has made some divisive choices in the 40 years since the release of Aliens in 1986, but this far-reaching fan theory has a fantastic explanation for these controversial events.