Nobody's going to say that Lady Gaga wasn't up for her daunting double-duty hosting/musical guest gig tonight.

Live has something to say about "slay" and other slang terminology as Mike Myers reprises Elon Musk, Lord Gaga supports his wife and Lady Gaga sings with Bowen Yang -- twice -- blasts her own Joker 2 ...

The TV presenter, 54, dissolved into giggles as she welcomed English Cocker Spaniel Rueben on the Channel 4 sofa.