Just to be clear, this is merely a reference to her facial expressions and general demeanour, and not a comment on her facial features which are perfectly pleasant 
Shanene was interviewed for Newsnight in a cafe, and asked about why she takes money from the state for Housing Benefit for her and her 3 yo daughter when her own mum has a 2-bedroom flat that Allegra wonders why she couldn't move back into. Allegra asks why people who don't have a job shouldn't just live with their parents until they can afford their own house.
Though it's a shame Allegra cut Shanene off when she started to explain that actually, she isn't asking for a free handout.
And a shame she didn't mention that Shanene actually works full-time - the BBC even contacted her via her workplace but chose not to interview her there - and has done since her daughter was small, and from her wages pays roughly as much towards her rent as someone would if they were living in a council flat or with a mortgage, and only claims Housing Benefit to make up the difference between that and the costs of a private rental in Tower Hamlets where she lives.
AIBU to hope Shanene gets a proper apology from Newsnight?