Deliberate mistake: When Austin and Felicity cross the street when they are shopping, you can see green hills behind them, very much like Hollywood and not 1969 London. (Deliberate reference to an earlier joke)
Deliberate mistake: When Austin is playing chess with Ivana, the pieces have been moved in impossible positions throughout their few moves.
Answer: It appears so since she was with Dr. Evil in 1969 and was with Unibrow (the female golfer) in the present time. She does say (after the time with Dr. Evil), that she would never love another man again - to which he replies - "That's right", referring, of course, to her future sexual preferences.
Zwn Annwn