"Goodbyes are hard, even for the grownups", she tweeted.
Sharif's dramatic return before a 25 July election follows a two-year corruption scandal that engulfed Pakistani politics after the leak of the so-called Panama Papers showed his family used offshore accounts to buy high-end London apartments.
Their flight, Etihad Airways flight EY243, landed at Lahore's Allama Iqbal International Airport at around 9:15 pm. He has also formed a 16-member team to arrest them and shift them to Adiala Jail Rawalpindi after producing them at the accountability court that sentenced the father-daughter duo last week. Around 10,000 police officers have been deployed across the city to maintain law and order. "I am giving this sacrifice for your future, so give me your full support and go with me with your hands in my hands".
Earlier, it was reported that the Cabinet Division had allocated two helicopters to the NAB.
In his correspondence Shahbaz Sharif condemned the countrywide crackdown on party workers while accusing the caretaker set-up of targeting his party.
Security has been beefed up at New Islamabad International Airport ahead of former prime minister Nawaz Sharif's arrival.
"I know that I have been given 10 years imprisonment and I will be taken straight to the prison but I want to tell the Pakistani nation that I am doing this for you", Khan said in his video.
Meanwhile, there are reports of clashes between supporters of Sharif and police in Lahore and several other cities.
Sharif's return from London, where his wife Kulsoom is critically ill and undergoing cancer treatment, comes at a time of dwindling fortunes for his party, which a year ago was considered a run-away favourite to retain power.
Ousted Prime Minister of Pakistan, Nawaz Sharif, appears with his daughter Maryam, at a news conference at a hotel in London, Britain July 11, 2018.
Sharif and his daughter Maryam, who were handed down 10-year and seven-year sentences respectively last week, arrived in Abu Dhabi and will transfer onto Lahore.
Recent opinion polls suggest PML-N is losing its lead nationally to the Pakistan Tehreek-e-Insaf (PTI) party of arch-rival Khan, whose anti-corruption message has resonated with many Pakistanis.
Further, the PML-N president said the verdict in the Avenfield reference was "unjust".
PML-N leaders say authorities have began a crackdown against union council leaders, the street-level party workers who bring out people on the streets.