It wasn't as if either of them needed to have good hair, was it? No? Good, glad we have that settled – since, now, neither of them did. Remotely.
Meanwhile, Loki was... still loon-like, grinning off down the hallway at Sif and Jotnar, and waving an arm at them to summon them forth. "Sif! Come meet my brother!"
Sooner or later, one would assume, Loki would probably get around to realizing that, in fact, Sif and Thor already knew each other, since otherwise it wasn't all that likely that Sif would let Thor in to shoot up the horses – but that was a completely insignificant detail, surely.