The Gabon international continues to be linked with the Blues this month.
And asked about Chelsea yesterday, Aubameyang would only tell Sky Deutschland: "It's a difficult moment and it's a question not to ask.
"We will see what will happen. I do not know what will happen.
"What must happen will happen."
Yesterday on Instagram, Aubameyang accused AC Milan of "going to sleep" over a prospective return to the San Siro.