Yesterday, we sighed and felt warm and fuzzy inside when angel-faced pixie Brit Ellie Goulding revealed that she'd love to make an album with her boyfriend, Skrillex, with whom she shares a hairstyle. Adorable! We'd like to take a moment to actively encourage both parties to make this happen, not only because we think it'd sound great, but also because ever since Bey and Jay-Z got together on “Crazy in Love,” we've become obsessed with seeing musical couples performing together. Most of them get around to it eventually, but a few pesky pairs have yet to bother. Here are the five we'd most like to see happen.