Halle Bailey and rapper boyfriend DDG are the subject of swirling split rumors after fans noticed several telltale breakup signs on social media, RadarOnline.com has learned. The speculation went into overdrive on Tuesday after it was discovered that Bailey and her beau (real name: Darryl Dwayne Granberry Jr.) were no longer following each other on Instagram. Furthermore, the duo appears to have removed most of their photos as a couple from their respective accounts, adding to the speculation after her solo outing this past weekend. The Little Mermaid actress enjoyed Coachella without DDG, tak…