Celebrate the Sun! She's not quite as cool and comforting as the moon, but she still gets jealous when all the pony fans obsess over her sister. We don't want a Daybreaker do we?
To submit, send an email to submit@equestriadaily.com with CELESTIA DAY as the title, followed by what it is, so CELESTIA DAY - OPEN ART for the open art post. Submissions close at 1:00 AM PST on the 20th of June, so get them in before then!
Now go make Celestia art!