The 'Girls' star, who fronted the NBC show last night, celebrated her hosting debut with the 'Everything Has Changed' singer at the bash, held at Asselina restaurant in Union Square, New York City.
'Saturday Night Live' cast members - Aidy Bryant, Bobby Moynihan and Vanessa Bayer - were also in attendance, as was 'Mean Girls' star Daniel Franzese, who took the opportunity to grab a photograph with Taylor, 24, and other party-goers, according to E! News.
Lena, 27, took to Twitter after the gathering to gush about her experience on the show.
She wrote: ''Cannot overstate how joyful this experience has been. I have always loved you Saturday Night Live, but now I am IN love with you (sic)''.
Meanwhile, the brunette beauty opened the programme with a hilarious spoof video based on the biblical film 'Noah', which saw her running through the Garden of Eden without any clothes on.
Speaking in her opening monologue, she said: ''There is an old saying: If you're nervous about giving a speech, just imagine the audience naked. Or at least imagine that they haven't seen you naked.''
In 1947, Dalton (Bryan Cranston) is the film industry's top-paid screenwriter, so of course the House Un-American Activities Commission goes after...
Seth Grahame-Smith's Pride and Prejudice and Zombies graphic novel has been made into a film.
Sir Elton's new album, 'Wonderful Crazy Night', came out the next day.
The video for 'Hymn For the Weekend' was filmed in Mumbai, India.
Three more seasons to go for this adored comedy.
LeBlanc was announced as one of Chris Evans' co-hosts on the brand new 'Top Gear' on Thursday.
New York trio Fun Lovin' Criminals first made an impact back in 1996 with the release of their since acclaimed debut LP Come Find Yourself.
This lively romp is entertaining enough to amuse the audience even when it veers off the rails.