#345154 - safe, artist:p.chronos, oc, oc only, oc:anon, oc:milky way, earth pony, human, pony, bipedal, black and white, clothes, cow girl, cowprint, duet, duo, female, grayscale, grease (musical), john travolta, lineart, mare, microphone, monochrome, olivia newton-john, singing, skirt, song reference, summer nights (song)

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[img]https://derpicdn.net/img/2013/6/10/345154/full.png[/img] [url=https://derpibooru.org/images/345154]View on Derpibooru[/url] (Original source unknown at time of posting)

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[img]https://derpicdn.net/img/2013/6/10/345154/medium.png[/img] [url=https://derpibooru.org/images/345154]View on Derpibooru[/url] (Original source unknown at time of posting)