She came out during Sami Callihan vs. BxB Hulk. Callihan was about to do his finisher when Christina called him over. When he got close enough, she spit water (or BxB's wine) into his face, leading to Hulk to nail him with his finisher for the win. She and BxB later accompanied Tozawa out for his match against Mochizuki. Following a wonderful series of back and forth action, Tozawa had hit a second suicide dive and during the huge roar from the fans ran over to hug and kiss Christina. Following the match. She beckoned Mochizuki to her with soft whispers before hitting a low blow on him (one of the MB trademarks) before she joined Tozawa and Hulk in taking off.
I really do hope she gets Japan tours now that she's on the DGUSA roster. I would love to see her face Stalker in a glorious comedy match.